pheromones in female tears? test to see if testosteronne levels are significantly reduced after sniffing tears.

Answers

Answer 1

Because the experiment was double-blind and random, we may draw the conclusion that smelling female tears lowers testosterone.

By the age of 50, what is the typical testosterone level?

The majority of medical professionals concur that a "normal" level falls between 300 and 1,000 nanograms per deciliter (ng/dL). A little less than 40% of males over the age of 45 will have levels that fall within that range. However, a low reading on its own is not cause for concern.

However, depending on the facility doing the test, the normal levels might vary significantly. The NHS and the majority of other healthcare professionals estimate normal testosterone levels to be between 10 and 30 nmol/L. Levels less than 10 nmol/L may indicate persistently low testosterone levels.

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Related Questions

which of the following terms means yellow staining of tissues with bile pigments, including bilirubin? which of the following terms means yellow staining of tissues with bile pigments, including bilirubin? hemoglobin glycosuria hemochromatosis icterus hemoglobinuria

Answers

The term that means yellow staining of tissues with bile pigments, including bilirubin, is icterus.

Icterus, also known as jaundice, is a condition in which there is a buildup of bilirubin in the blood, causing the skin and whites of the eyes to turn yellow. Bilirubin is a yellow pigment produced during the breakdown of hemoglobin in red blood cells.

Normally, the liver processes bilirubin and excretes it through bile into the intestines.

However, if the liver cannot process bilirubin properly or if there is an obstruction in the bile ducts, bilirubin levels in the blood increase, leading to icterus. Hemoglobinuria, glycosuria, and hemochromatosis are unrelated to the yellow staining of tissues with bile pigments.

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How many systems of the Human Body can you name?

Answers

Answer:

Cardiovascular, nervous, endocrine, digestive, lymphatic, skeletal, muscular

Explanation:

Which part of the cell is responsible for regulating what goes in and out of the cell?

Question 6 options:

Cytoplasm


Lysosome


Cell membrane


Ribosome

Please explain how.

Answers

Answer:

Cell Membrane

Explanation:

The cell membrane regulates movement into and out of cells.

Which of the following is the best example of a neutral mutation?
A) A mutation that causes a rabbit that lives in the Arctic to have black fur
B) A mutation in a squirrel that causes it’s tail to not be as bushy and full
C) A mutation that caused a plants to develop a waxy coating which helps it retain water in its cells
D) A mutation in corn that causes it to not be able to produce chlorophyll and photosynthesize

Answers

Hello, I think this is D

Answer:

It's A.

Explanation:

a growth pattern in which poulation size stabilizes at a maxium limit

Answers

The growth pattern described is known as the carrying capacity.we can better manage and conserve natural resources and minimize our impact on the environment.

The carrying capacity is the maximum number of individuals that an environment can support sustainably, based on the availability of resources such as food, water, and habitat. When a population grows beyond the carrying capacity, there are not enough resources to support all individuals, which can lead to competition for resources, reduced reproductive success, and ultimately a decline in population size. The concept of carrying capacity is important in ecology and conservation biology, as it helps us understand how populations interact with their environment and how human activities can impact the sustainability of ecosystems. By understanding the carrying capacity of a given area, we can better manage and conserve natural resources and minimize our impact on the environment.

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Read the passage to answer the question. Even though scorpions are related to spiders, there are many differences between the two organisms. One difference is that scorpion young do not hatch from eggs as spiders do. Scorpions are born live, two at a time, and they immediately crawl onto the mother's back for protection and care. They remain there for two weeks as they grow big enough to take care of themselves. Question Scorpion cells undergo aerobic respiration, just as human cells do. Which substance is released during a scorpion's aerobic respiration? Responses oxygen oxygen ATP uppercase A T P carbon dioxide carbon dioxide nitrogen

Answers

Answer:oxygen is used and ATP is made

Explanation:

which statement describes the way in which phosphorylation directly contributes to signal transduction?

Answers

Proteins can connect with new binding partners thanks to phosphorylation, which modifies the structure of the protein.

Phosphorylation sites are created by protein kinases (also known as "writers"), frequently have an impact after being recognized by phospho-binding proteins (also known as "readers"), and are afterwards eliminated by protein phosphatases (also known as "erasers").

This writer-reader-eraser toolbox has been crucial in the evolution of new functionalities necessary for the development of multicellular organisms and enables phosphorylation events to control a wide range of regulatory activities. Typically modular in organization, the proteins that make up this system of protein kinases, phospho-binding targets, and phosphatases are made up of several globular domains and smaller peptide motifs having binding or catalytic capabilities.

Through genetic recombination, the linking of these binding and catalytic modules in novel ways, as well as the choice of certain domain combinations, have aided in the emergence of new, physiologically advantageous processes. Conversely,

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Living off Earth's natural income may be compared to _____. a. taking someone else's assets without their knowledge b. losing a job and living on unemployment insurance until it runs out c. using a credit card to pay for costs of living d. living off the interest of a $1 million investment e. winning the lottery and living off the money until it runs out

Answers

Answer:

Living off the interest of a $1 million investment

Guys help me please my correct answer are getting deleted and someone is fake reporting them that they are incomplete i lost 1 brainliest answer and three others

Answers

Answer:

Same... lol Mine is getting report too

Answer:

were?

Explanation:

How do i help?

Drag the tiles to the boxes to form correct pairs

Match each hypothesis for how the Moon formed with the statement that best describes it.

Drag the tiles to the boxes to form correct pairsMatch each hypothesis for how the Moon formed with the

Answers

The Giant Impact Theory is most likely to account for how the Moon formed, although there are other hypotheses as well, such as the Colliding Planetesimals Hypothesis, the Capture Hypothesis, and the Accretion Hypothesis.

How did the Moon become tangled up in our orbit?

The gravitational pull of the Earth, which holds the Moon in orbit, is balanced by the gravitational pull of the Moon, which pulls on our planet in turn and causes the oceans to move, forming a tidal bulge. This tidal bulge really sits just in front of the Moon because of the Earth's rotation.

Did planetesimals collide and combine to generate the Moon?

A collision between the proto-Earth and a planetesimal the size of Mars occurred roughly 4.5 billion years ago in the Hadean eon, 20 million to 100 million years after the solar system originated. This collision is known as the Theia Impact or the "giant impact hypothesis."

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(1) The Moon was formed from the collision between Earth and another Mars-sized body; (2) The Moon was formed from collisions and combining of planetesimals; (3) The Moon was locked into orbit by earth's gravity as it was passing by it; (4)The Moon was formed from the same cloud of material as Earth.

What is giant impact theory?

The Giant Impact Theory suggests a Mars-sized object hit Earth with force, causing debris to form a disk, which eventually coalesced to form the Moon.

The Giant Impact Theory is a scientific hypothesis that explains how the Earth's moon was formed. According to this theory, the Moon was created from the debris left over after a Mars-sized body collided with the Earth about 4.5 billion years ago, shortly after the formation of the solar system. This collision caused a massive explosion and ejected a large amount of material into space, which eventually coalesced to form the Moon.

The theory is supported by various lines of evidence, such as the similarity in chemical composition between the Earth and Moon, as well as the Moon's relatively large size compared to its parent planet. The Giant Impact Theory is widely accepted by the scientific community as the most plausible explanation for the origin of the Moon.

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In a holistic approach to the study of

environmental science, a student

might:

A. consider the social and ethical implications of

pollution.

B. focus on either the lithosphere or atmosphere.

C. look at the complete system consisting of

individual parts.

D. use current events to guide the topic.

Answers

Answer:

C

Explanation:

A holistic approach to an issue means that there are several interconnected parts to the issue and referring to all these parts is necessary in order to tackle the issue.

Hence, in a holistic approach to the study of environmental science, a student might look at the complete system consisting of individual parts.

The correct option would be C.

In a holistic approach to the study of environmental science, a student might look at the complete system consisting of individual parts. So option C is correct.

"The Holistic Approach to Environment” deals with exploring possibilities and developing the models of benevolent co-existence of all beings on Earth. It does not deal solely with one segment of environment, but it sees the life on the planet as a whole.

A holistic environment is a place where all aspects of a person’s life, from the physical to the mental to the emotional to the social to the spiritual, are in harmony with each other.

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Complete the passage to describe the universal law of gravitation.
The universal law of gravitation, written by
says that any two objects in the universe attract
each other by a force called

Answers

gravity. This force is proportional to the product of their masses and inversely proportional to the square of the distance between them. The equation that represents this law is F = G(m1m2)/r^2, where F is the force of gravity, m1 and m2 are the masses of the two objects, r is the distance between the two objects, and G is the gravitational constant. This law applies to all objects in the universe, regardless of their size or composition, and is responsible for the orbits of planets, the gravitational pull of stars, and the overall structure of galaxies. It is considered one of the fundamental laws of physics and is a cornerstone of our understanding of the universe.

Which of the following statements does NOT describe a river delta?
A. sediment that builds up where a river meets a larger body of water
B. some are muddy and unstable; others are so big crops can grow on them
C. earth scooped out that can form a lake or deep valley
D.where a flowing river empties its load at the mouth of a river

Answers

Answer:

C: Earth scooped out that can form a lake or deep valley

Answer:

letter C po Ang answer

Explanation:

please rate brain less

__________ and their surrounding wetlands are bodies of water usually found where rivers meet the sea.

Answers

Answer: Estuaries

Explanation: Estuaries and their surrounding wetlands are bodies of water usually found where rivers meet the sea.

(sup bestie)

Many segments are blank wholesome are blank such as a segment for digestion and a segment for reproduction

Answers

Many Body segments are very wholesome are essential such as a segment for digestion and a segment for reproduction.

What is the bodily systems about?

In the above case, it would be more accurate to say that many bodily systems are essential for our overall health and well-being, and they each play important roles in maintaining our bodily functions. For example, the digestive system is responsible for breaking down food and absorbing nutrients, while the reproductive system is responsible for producing and delivering offspring.

Therefore, It is important to note that while some bodily functions or segments may be considered more "wholesome" than others, each system is necessary and contributes to the overall functioning of the body. So, rather than categorizing them as wholesome or not, it's more useful to think of them as essential components of a complex and interconnected system.

P.S. Question seems incomplete and general definition is given.

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What characteristics do mutations have? select all that apply.

omission of information
always harmful
addition of information
mistakes in copying
occasionally beneficial​

Answers

Mutations can be any but id say all besides always harmful or all of the above if that’s a choice

Answer:

all of above

Explanation:

From one trophic level to the next, only_(a) % of the energy is transferred. The other
(b)___% is used by the organisms getting consumed during its life processes.
A. (a) 25, (b) 75
B. (a) 10, (b) 90
C. (a) 75, (b) 25
D. (a) 90, (b) 10

Answers

Answer:

B. (a) 10, (b) 90

Explanation:

The ecosystem consists of a flow of energy that unidirectional and there is always a decrease in the amount of energy when it's transferred from one place to another. Such as in the food chain there is a transfer of 10% amount of energy which is used by the various organisms and 90% of energy is lost between the tropic levels in form of heat and respiration.

Determine if the inhibitor used is a competitive, uncompetitive, or non-competitive inhibitor and explain. Propose a mechanism under which the type of inhibitor determined could interact with the enzyme. How are you convinced?

Answers

Each type of inhibitor has a distinct effect on the kinetics of the enzyme-catalyzed reaction, and requires different experimental methods to identify.

To propose a mechanism of interaction between the enzyme and inhibitor, one would need to know the structure of both the enzyme and inhibitor, as well as the specific binding sites and interactions involved in the catalytic process.

Experimental data, such as changes in reaction rate or substrate affinity in the presence of varying concentrations of inhibitor, can be used to support a proposed mechanism and the type of inhibition involved.

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Describe the different processes involved in the movement of these substances into and out of the cell: oxygen, carbon dioxide, glucose, potassium, sodium, water, and enzymes.

Answers

Answer:

Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane

Oxygen and carbon dioxide moves through cell via diffusion, Glucose enters cells via active transport and exits via passive transport. Potassium enters cells via active transport and exits via passive transport.

What is transport in a cell?

The movement of materials across cell membranes is referred to as cell transport. Cell transport consists of both passive and active transport.

Passive transport does not require energy to operate, whereas active transport does.

Active transport is the movement of dissolved molecules into or out of a cell via the cell membrane, from a low concentration region to a high concentration region.

Active transport transports glucose into cells, while passive transport transports it out. Potassium enters cells actively and exits through passive transport.

Sodium enters cells via passive transport and exits via active transport. Osmosis is the process by which water moves into and out of cells. Passive transport transports enzymes into and out of cells.

Thus, these are the ways of transport of the given materials.

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How are primary, secondary, and tertiary consumers different from each other?

What are autotrophs and heterotrophs?

Where does the energy in an ecosystem come from?

Answers

Answer:

Primary consumers are animals that eat primary producers; they are also called herbivores (plant-eaters). Secondary consumers eat primary consumers. They are carnivores (meat-eaters) and omnivores (animals that eat both animals and plants). Tertiary consumers eat secondary consumers.

Energy is transferred between organisms in food webs from producers to consumers. The energy is used by organisms to carry out complex tasks. The vast majority of energy that exists in food webs originates from the sun and is converted (transformed) into chemical energy by the process of photosynthesis in plants.

Summary. Autotrophs store chemical energy in carbohydrate food molecules they build themselves. Most autotrophs make their "food" through photosynthesis using the energy of the sun. Heterotrophs cannot make their own food, so they must eat or absorb it.

Explanation:

component of a phospholipid?

Answers

Answer:

Phosphate group headTwo fatty acid tails

Explanation:

A phospholipid is made up of a phosphate group head and two fatty acid tails. They are connected by a molecule of glycerol.

To form cell membranes, phospholipids line up with their hydrophilic (water loving) heads on the outside of the cell and their hydrophobic (water hating) tails inside.

A second layer of phospholipids forms with the heads facing inside the cell and tails facing away. This forms a double layer - with the phosphate group heads on the outside, and fatty acid tails on the inside. This double layer, called a lipid bilayer, forms the cell membrane.


In which situation could a mutation be passed on to the offspring in an
organism?

A. Ultraviolet radiation causes skin cells to undergo uncontrolled cell
division.

B. The DNA of a human lung cell undergoes random breakage.

C. A primary sex cell in a human forms a gamete that contains 24
chromosomes.

D. A cell in the stomach lining of a human undergoes a chromosomal
alteration.

Answers

Answer:

C. A primary sex cell in a human forms a gamete that contains 24

chromosomes.

Explanation:

The gametes are the cells that form offspring.

During meiosis i, homologous chromosomes undergo crossing over while they are side-by-side in an event called ______.

Answers

Answer:

During meiosis i, homologous chromosomes undergo crossing over while they are side-by-side in an event called synapsis.

Explanation:

The synapse's ability to alter as a result of repeated stimulation, reinforcement (such as via reward), or reduction in neurotransmission under other circumstances makes it important. These are referred to as long-term depression or potentiation. Synaptic plasticity, often known as the capacity for change, is what underlies learning in all contexts, including associative learning, associative memory, and episodic memory. You may think of it as residues of neurotransmitters that are reinforced and are used to form memories, routines, and personality traits.

A list of living things in your home

Answers

mammals/pets: dog, four cats, hamster, 3 parakeets , mom, dad, sister, brother, myself
plants: house plants, bamboo, outside plants, trees

A cell of an organism has four chromosomes.It undergoes a process at the end of which two daughter cells are produced. Each daughter cell has four chromosomes. Which process is described?
a.fertilization
b.meiosis
c.mitosis

Answers

Your answer is A. I hope this helps

which of the following anemias is correctly matched with its description? which of the following anemias is correctly matched with its description? hemolytic anemia: results from inadequate iron intake hemorrhagic anemia: results from red blood cells rupturing pernicious anemia: results from a vitamin b12 deficiency

Answers

The Rupturing Pernicious anaemia, which is caused by a vitamin B12 insufficiency, is a symptom of the autoimmune complaint nocuous anaemia( PA).Thus, this statement is correct among all the other statements.

It's a sneaky, under diagnosed condition with several different presenting types, the maturity of which are nonspecific symptoms.

When you do not have enough red blood cells or your red blood cells are not performing duly, you have anaemia. Our body receives oxygen from the red blood cells. Your cells are given energy by oxygen. Your body can not gain the energy it needs to serve if it does not have healthy red blood cells that do their job. While some forms of anaemia are minor and flash, others might be lifelong. Anemia could be fatal if left undressed.

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15. Sarah is a biologist who is studying a species of crab. In the wild, crabs with larger
pincers will have greater reproductive success than those with smaller pincers. To
investigate this further, she placed 50 crabs with small pincers and 50 crabs with large
pincers together in an isolated area that closely resembled their natural environment.
She observed several generations of the crabs over the next ten years. If her
experimental setup replicates the natural selection process in the wild, which result is
most likely to be observed?
A.the crabs born with small claws would develop larger claws and pass this trait to their offspring
B.The percentage of crab as with large claws would increase.
C.The percentage of crabs with small claws would increase.
D.the DNA in crabs with small claws would mutate in order to produce larger claws.

Answers

The correct answer is B. The percentage of crabs with large claws would increase.

Explanation:

Crabs with large claws have more chances to survive and reproduce; this biological advantage will make most of these crabs to successfully reproduce through generations and pass this feature to their offspring. On the opposite, crabs with smaller pincers do not have this reproductive or survival advantage, this implies many crabs with small pincers will not survive a long time or will not reproduce, and therefore this trait will not past to their offspring. Moreover, this situation will cause after many generations the large claws trait prevails, while the small claws trait decreases because crabs with larger claws are more suitable. According to this, it is expected the percentage of crabs with large claws would increase.

Environmental scientists studies the impact of a newly discovered bacteria on oil. If the bacteria ingests oil they can possible be utilized to clean up oil spills. What is the depended variable?

Answers

The depended variable is the bacteria

A student studied drawings of the following five insects from the order of Coleoptera. Which two insects are most closely related?

A student studied drawings of the following five insects from the order of Coleoptera. Which two insects
A student studied drawings of the following five insects from the order of Coleoptera. Which two insects

Answers

Answer:

D.

Explanation:

if you look at the names of the species, the first part is the same, which means they aare closely related to some point. When you look at the picture, you also notice the species look strikingly alike.

Answer:

d

Explanation:

When scientists were attempting to determine the structure of the genetic code, Crick and coworkers found that when three base additions or three base deletions occurred in a single gene, the wild-type phenotype was sometimes restored. These data supported the hypothesis that ________. Group of answer choices the code contains internal punctuation

Answers

The data supported the hypothesis that the genetic code contains internal punctuation. Option 1 is correct.

During the process of deciphering the structure of the genetic code, Francis Crick and his colleagues made an important observation. They found that when three bases were added or deleted in a single gene, the wild-type phenotype (the normal, expected phenotype) was sometimes restored. This phenomenon is known as a frameshift mutation.

The fact that the wild-type phenotype could be restored by adding or deleting three bases specifically suggested that the genetic code operates in triplets, where each triplet of bases (codon) corresponds to a specific amino acid or a stop signal.

This observation supported the hypothesis that the genetic code contains internal punctuation, meaning that it is read in a non-overlapping manner, with each codon specifying a distinct amino acid or signaling the end of protein synthesis. The discovery of this internal punctuation within the genetic code was a significant breakthrough in understanding the structure and functioning of DNA and the process of protein synthesis. Option 1 is correct.

The complete question is

When scientists were attempting to determine the structure of the genetic code, Crick and coworkers found that when three base additions or three base deletions occurred in a single gene, the wild-type phenotype was sometimes restored. These data supported the hypothesis that ________.

Group of answer choices

The code contains internal punctuationThe code is universalThe code is non-functionalThe code is ambiguous

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Based on the map, what is one difference between voting requirements in most of Latin America compared to East Asia?A) More males than females vote.B) The average voting age is higher.C) The average voting age is lower.D) There are more registered voters. while most people say they would prefer to die at home, the majority of people die in Tina wears a shirt with an offensive slogan. A person walking past sees the shirt and says they are going to the police if Tina does not cover up the slogan. Tina refuses and says she can wear the shirt and does not need to cover the slogan. What is the Amendment Number which of these behaviors is an example of chilvary Read the excerpt from Narrative of the Life of Frederick Douglass. Identify the tone in the following sentence."How I escaped death, I do not know. There I was, entirely alone, in a thick wood, in a place new to me. My cart was upset and shattered, my oxen were entangled among the young trees. and there was none to help me."a. Suspensful, stressfulb. Thrilling, excitingc. Mysteriousd. Factual Will Biden and his US government really put Trump in prison? A magnifying glass shows the image of an object that is 10 times the objects actual size. Determine the length of the image of the object if the actual length of the object is 8 millimeters Extra Credit Inclusion/Exclusion Formula If 4 married couples are arranged in a row, find the probability that no husband sits next to his wife.Hint: Inclusion/exclusion formula. Compute the probability of the complementary event. Why do scientists use the International System of Units (SI)? A. because the SI is based on the metric system B. because the tools scientists use only measure in SI units C. so they can communicate their results without confusion D. so all scientists are guaranteed to come up with the same measurementsPLEASE HELP Whose body was exhumed from Westminster Abbey, more than two years after his death, to be 'executed' for treason? How many gallons will 128 cups make ? An original issue discount bond does not mature; it is a perpetual security. True False write a two paragraph story about why your imaginary animal went extinct Can someone please help 2/5d+4/9e=-2d+7/18e-1solve for e Which statement below best describes President Abraham Lincoln's primary objective for the Civil War? What do we call the amount of money (or income) that a company gets from its customers?a) Profitb) Revenuec) Cashflowd) SalarySubmit (Macbeth Act IV) Who tries to warn Lady Macduff?A.macduffB.Macbeth C.DonalbainD.Ross what is a creation story Max is a 10% limited partner in lmn partnership. his adjusted basis in his partnership interest was $50,000 at the beginning of the current year. during the year, the partnership earned $100,000 of ordinary income, incurred a $5,000 capital loss, and paid $1,000 of nondeductible expenses. max received a distribution of $2,000 from the partnership. calculate max's ending adjusted basis in his partnership interest. simplify the expression(1-x+4x^2-8x^2)+(2x^3+x^2-6x-3)-(5x^3+8x^2)