Which three glands secrete the protein fluids which are constituents of semen?
-seminal vesicles
-prostate gland
-Cowper's gland
-vas deferens
-ovum
Answers
The three glands that secrete protein fluids that are constituents of semen are the seminal vesicles, prostate gland, and Cowper's gland.
Seminal vesicles are responsible for producing a thick, sticky fluid that contains various proteins and other substances. The prostate gland produces a thin, milky fluid that also contains proteins and enzymes.
The Cowper's gland produces a clear, slippery fluid that helps to lubricate the urethra during ejaculation.
These fluids combine with sperm from the testes and pass through the vas deferens before being released through the urethra during ejaculation.
The ovum is not involved in the production of semen as it is a female reproductive cell, responsible for fertilization by sperm to create a zygote.
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Related Questions
why,we have more mitochondrial in our tissue muscles? -sorry for bad eng
Answers
Answer:
This is because mitochondria produce ATP during aerobic respiration and ATP is needed for muscle to contract. ... Muscles cells contain more mitochondria because they have to release large amount of energy quickly for movement.
Explanation:
Hope it's help
an onion (the part we eat) is not a root but an underground stem with fleshy leaves which is technically called a
Answers
An onion (the part we eat) is not a root but an underground stem with fleshy leaves which is technically called a tunicate bulb.
There are five main components in a genuine bulb. The basal plate, the main storage tissue, the tunic, the stem, the developing flower and leaf buds, the lateral buds, which develop into bulblets or offsets, the fleshy scales, the primary storage tissue, and the basal plate.
Tunicate bulbs and imbricate bulbs are the two types of true bulbs. The scales on a tunicate bulb are shielded by a tunic, which resembles paper and shields them from mechanical harm.
An example of tunicate bulbs.
Tulips, daffodils, hyacinths, grape hyacinths, and alliums are exemplary tunicate bulbs.
Numerous plants, like daffodils, create new bulbs all around the parent bulb. These bulbs, known as offsets, grow from buds inside the mother bulb's base and produce additional plants.
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Which population is most likely to decrease as a result?
A. Blue crab
B. Snail
C. Yellow perch
D. Shrimp
Answers
Answer:
i think shrimp because it's at the bottom of the food chain.
Answer:
snail
Explanation:
an ecologist estimated 800 star-nosed moles, condylura cristata, per square mile in one woodlot and 1,600 per square mile in another woodlot. what was the ecologist comparing?
Answers
An ecologist estimated that in one woodlot there were 1,600 star-nosed moles (Condylura cristata) while in another there were 800. Ecologists compared the star-nosed mole population density.
What is the star-nosed mole dental formula?In dentistry, I 3/3, C 1/1, P 4/4, and M 3/3 equal 44. (Figure 1). The eyes are small and partially hidden in the pelage, and the pinnae are missing. Dense, silky, and velvety, the pelage is primarily blackish-brown to black dorsally and just little paler ventrally.
What is the star-nosed mole's range?A star-nosed mole of average size measures 19 mm (7.6 in) in length and weighs 50 g. (1.8 oz). Range and environment: Southeast Manitoba to Labrador make up the range Southeast Georgia, south and east to Nova Scotia.
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ozone is a natural gas that is also found in the troposphere.
Answers
Three oxygen molecules combine to form the odorless, colorless gas known as ozone, which occurs naturally in the atmosphere. It happens in the troposphere, the lower atmosphere, and the upper atmosphere of the planet.
What makes up the atmosphere of Earth?We reside in the bottom of the air, a layer of chemicals that envelops our planet. Ninety-nine percent of a gases in dry air are nitrogen and oxygen, with a very little amount of argon, dioxide, helium, neon, or other gases.
Why is atmosphere essential?It not only provides us with the oxygen i need to survive, but it also shields us from dangerous UV solar radiation. Without it, the pressure needed for liquid water to exist on the surface of our globe wouldn't exist.
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The complete question is: What is Ozone and where is it found in the troposphere?
what differences can you see between the fibers at this microscale? list at least two differences
Answers
When it comes to the differences between fibers at the microscale, there are several differences that can be observed.
When it comes to the differences between fibers at the microscale, there are several differences that can be observed. Here are two of the most prominent ones:Color - Fibers at the microscale differ in color. In particular, different types of fibers tend to have different hues, which makes it easy to differentiate between them. Some fibers, for instance, are white, while others are off-white, gray, or brown. Microscope - The type of microscope used to view fibers at the microscale can also make a significant difference. Different microscopes have different lenses, which can affect the way that the fibers appear. For example, some microscopes have polarizing filters that can be used to view fibers in different colors or patterns. Others have higher magnification levels, which can reveal more details about the fiber's structure. Finally, some microscopes have a built-in light source that can be used to illuminate fibers from different angles, which can also affect their appearance.
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What experiments do we do to show that plants need water?
Answers
Answer:
Soil Testing
Explanation:
One experiment you could conduct is checking the soil texture and moisture. If you stick your finger about one inch into the soil, and it is still dry, this indicates that you need to water your plant. However, all plants have different methods of care, so it's best to research that one plant first.
according to the theory of common descent, each species on earth today should
Answers
According to the theory of common descent, each species on earth today should be related through a common ancestor. In other words, all living organisms are believed to have evolved from a single-celled organism over time and through successive generations.
Would you like to know more about the theory of common descent?
The theory of common descent postulates that all species share a common ancestor, and this can be seen in the similarities in DNA between organisms. It was proposed by Charles Darwin in the 19th century as part of his theory of evolution and has since been supported by numerous lines of evidence, including fossil records, comparative anatomy, and molecular biology.
In essence, the theory of common descent asserts that all living things are related and have evolved from a single organism. It also implies that there is a continuity of life on earth, as all species are connected by a process of descent with modification. Through this process, organisms change and adapt to their environments, leading to the evolution of new species over time.
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The diagram below represents a process taking place in a cell. The type of organic molecule that is being synthesized is
A) DNA
B) Starch
C) Protein
D) Fat
Answers
The process that is taking place in the diagram shown is the process of translation.
The type of organic molecule that is being synthesized is protein.
The diagram shown depicts the process of translation that is taking place in the ribosome. The process of translation involves the reading of the mRNA transcript by the ribosomes and production of the strings of amino acids which is complemented by several other elements including the tRNA. The tRNA brings in the anti-codon of the codon read on the mRNA and from here the chains of amino acids are produced. This makes up the proteins.Learn more about the process of translation: https://brainly.com/question/2449073
Answer:
c) Protien
Protine is must needed
Scientists share the results of their experiments. This communication can lead to further
research and a better understanding of the processes that scientists are studying. What
might scientists form when the results of many different studies suggest a common
explanation?
A. An observation
B. A scientific law
C. A hypothesis
D. A theory
Answers
Answer:
D
Explanation:
A hypothesis becomes a theory after it has been investigated and accepted. So the answer is theory.
Escherichia coli is the scientific name of a bacterium. What category of
classification is Escherichia? *
A.order
B.genus
C.phylum
D.species
Answers
Escherichia coli is the scientific name of a bacterium. genus category of classification is Escherichia. The correct option is option (B).
In the scientific classification system, Escherichia is the genus of the bacterium. The genus is a higher taxonomic rank that groups closely related species together.
In this case, Escherichia is the genus name for a group of bacteria within the family Enterobacteriaceae.
The scientific name of an organism consists of the genus and species names together, with Escherichia coli being a specific species within the Escherichia genus.
Therefore, Escherichia coli is the scientific name of a bacterium. genus category of classification is Escherichia. The correct option is option (B).
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For many years, scientists thought that the universe was static—that it had always existed and been the same, and it was neither expanding nor contracting. Then, in the late 1920s, Edwin Hubble recognized that the shift in light from distant objects toward the red end of the spectrum meant that those objects were moving away from Earth. The best explanation for these observations was that the universe was not static but was expanding. More recent observations, such as cosmic background radiation, are also better explained by an expanding universe rather than a static universe. What aspect of scientific methodology best explains the replacement of the static universe theory with the expanding universe theory?
A Science and its methods are always improving. Scientists needed newer, more sensitive instruments to detect the slow expansion of the universe.
B Hubble’s observations were extremely popular with the public, leading to overwhelming support for the new theory.
C The new theory explained Hubble’s observations, and it was tested and supported by additional observations. The theory was accepted because it was the most powerful explanation available for many observations.
D The natural progression of science is that all theories are eventually replaced by new theories until one is established as law
Answers
Answer:
C
Explanation:
B has nothing to do with the scientific method. The public does not determine a scientific law. Facts do.
D may be sort of true, but it does not explain Hubble's process. Nor does it explain what Hubble actually did and how he reported it. D is incorrect.
A was never implied (although it is likely true. On the other hand, many great scientific principles are uncovered with very simple apparatus.) A might be 1/2 true.
I think the best answer is C. It is general enough to be accepted. There are two theories mentioned. So C is the best answer.
how do the x and y chromosomes differ
Answers
Answer:
see the attached file! (≡^∇^≡)
PLSSS i need it, the first pic i answered by mistake
Answers
The correct genotype of the parents shown in the picture is Rr and Rr (option D).
What are genotypes?Genotypes are part (DNA sequence) of the genetic makeup of an organism which determines a specific characteristic (phenotype) of that organism.
According to this question, the dominant allele for flower color is red (R) while the recessive allele is white (r).
However, when two red colored parents were crossed, three red and one white offsprings were produced. This means that both of the parents carry a recessive allele for white coloration i.e. the parents are heterozygous.
This suggests that the genotype of both parents are Rr (red) and Rr (red) respectively.
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2 liters of 2% sucrose solution from 10% concentrated stock solution
Answers
In order to get 2 liters of 2% sucrose solution from 10% concentrated solution, 0.4 liters of the stock would be taken and diluted with 1.6 liters of water.
DilutionThe problem here is that of a simple dilution. The dilution principle affirms that the number of moles before and after dilution must be constant.
\(m_1v_1\) = \(m_2v_2\)
where:
\(m_1\) = initial concentration or concentration of the stock solution.
\(m_2\) = final concentration or concentration of the diluted solution.
\(v_1\) = initial volume or volume of the stock solution to be diluted.
\(v_2\) = final volume or volume of the diluted solution
In this case:
\(m_1\) = 10%
\(m_2\) = 2%
\(v_2\) = 2 liters
\(v_1\) = \(m_2v_2/m_1\)
= 2 x 2/10
= 0.4 liters
Thus, 0.4 liters of the 10% stock solution would be taken and diluted up to the 2 liters mark (by adding 1.6 liters of water) to make a 2% solution.
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the graph of the linear equetion 3x + 5y - 15 = 0 cuts the y - axis at the point full solution
Answers
Answer:
y = \(-\frac{3}{5}x+3\)
Explanation:
3x + 5y - 15 = 0
So we want to get it in the form y = mx + b
Subtract 5y from both sides;
3x - 15 = -5y OR -5y = 3x - 15
Divide both sides by -5
y = \(-\frac{3}{5}x+3\)
PLEASE HELP. Why is the Krebs cycle so important if it only produces 2 ATP molecules?
a) It produces reducing agents for the electron transport chain
b) It oxidizes pyruvate and prepares it for the electron transport chain
c) It uses all the glucose we eat
d) It produces many CO2 molecules
Answers
Answer:
A- It produces reducing agents for the electron transport chain
Explanation:
Briefly explain, in general terms, how of the protein components in root cells come to be different from the proteins found in leaf cells.
Answers
To up take mineral ions and water molecules from the soil, root hair cells have special protein carriers located in their outer membrane. These cells primarily perform the absorption function.
What are the functions of proteins?Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues.
Protein has many roles in your body. It helps repair and build your body's tissues, allows metabolic reactions to take place and coordinates bodily functions. In addition to providing your body with a structural framework, proteins also maintain proper pH and fluid balance.
Proteins serve many functions in cells. They act as enzymes that catalyze chemical reactions, provide structural support, regulate the passage of substances across the cell membrane, protect against disease, and coordinate cell signaling pathways.
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115. Part of a desert food web is diagrammed below.
Which of the following will most likely result if all of the primary consumers are removed
from this ecosystem?
Answers
Therefore, if all of the primary producers in this ecosystem are eliminated, option D is the one that is most likely to happen. Populations of sand sagebrush and silk grass will decline.
What is the most likely result of eliminating all producers from an ecosystem?The breakup of the entire food chain would ensue from the destruction of the producers. Primary consumers or herbivores, which consume producers directly, would vanish.
What will happen if the food chain's major consumers are eliminated?When a creature is eliminated from the food chain, the ecosystem's energy and nutrient cycles are disrupted. The food chain's equilibrium is disturbed. As a result, the species that rely on other organisms for nourishment will starve to death.
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The continental crust, oceanic crust and very top of earth's mantle make up a hard surface that breaks into tectonic plates. This layer of the earth is referred to as the ____________(a)_ and it floats or moves on a melted layer of earth called the ________________(b)__.
Answers
The continental crust, oceanic crust, and the Earth's uppermost mantle form a solid surface that breaks up into tectonic plates. This layer of the earth is known as the lithosphere and floats or moves above the melted earth layer which is called the asthenosphere.
What is the earth's crust?The earth's crust is the outermost layer of the earth and has a thickness of 0-100 km. The earth's crust is predominantly composed of feldspar and other silicate minerals.
The Earth's mantle is the layer of silicate rock between the crust and outer core. Its mass of 4.01 × 1024 kg is 67% of the mass of Earth. The mantle is 2,900 kilometers (1,800 miles) thick and makes up about 84% of Earth's volume. The mantle is dominated by the solid phase but in geological time behaved as a viscous liquid.
The layer of the earth that forms a hard surface is known as the lithosphere, while that which melts is called the asthenosphere
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What do plant, animal and bacteria cells have in common?
DNA, chloroplasts and cytoplasm
cell walls, cytoplasm and endoplasmic reticulum
cell membranes, DNA and lysosomes
DNA, cytoplasm and cell membranes
Answers
Answer: DNA, cytoplasm and cell membranes
Plants, animals, and bacteria have cytoplasm in common.
Plants, animals and bacteria :Plants are the autotrophic organisms. Animals are heterotrophic organisms. Bacteria are prokaryotes.
Plant cell, animal cell and bacterial cells have cytoplasm in common. DNA is also found in them and chloroplast is found in plant cell only. They help in the site of photosynthesis.
In Bacterial cell membrane bound organelles are absent such as Chloroplast, mitochondria and endoplasmic reticulum.
Cell membrane is also called plasma membrane is present in all plant and animal cell. DNA is a genetic material of the organism. In Higher organisms such as plants and animals DNA is a genetic material and in organisms like Bacteria RNA is present.
Therefore, Plants, animals, and bacteria have cytoplasm in common.
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I need help to answer this!
Answers
Homeostasis is the capacity of an organism to retain internal stability in the face of external disturbances. The finest illustration of homeostasis is the human body's internal temperature.
What is the definition of homeostasis in the human body?Homeostasis refers to the condition of equilibrium within all bodily systems required for an organism to operate correctly and live. Body levels are continually altering in response to changes outside and inside the body when in a state of homeostasis. Blood sugar is one of the systems that continually adapt to maintain appropriate levels.
Homeostasis ensures ideal circumstances for enzyme functioning as well as all cell processes throughout the body. It is the preservation of a stable internal environment in the face of changing internal and external situations.
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Mr. Norris goes on a run around the track, if the track is 400 meters long, and he runs 4 laps, when he stops on his starting point, what is his total
displacement
A 1600 m
B. 800 m
C. 4 m
D. Om
Answers
Answer:
A
Explanation:
If the track is 400m and he runs around 4 times, then he runs 1600m. (400x4)
Which of the following permits a single gene to code for more than one polypeptide? Group of answer choices genetic differentiation alternative RNA splicing addition of different types of caps and tails to the final version of the mRNA strands retention of different introns in the final version of the different mRNA strands
Answers
Answer:
The correct answer is - alternative RNA splicing.
Explanation:
Alternative splicing, or differential splicing, or alternative RNA splicing, is a controlled process that takes place during gene expression that leads to a single gene to code for multiple polypeptides or proteins.
Alternative splicing produces differential combinations of exons of the same gene that result in gene expression for more than one polypeptide by a single gene.
if any of these had a minor break in aseptic technique, what would happen?larynx to the carina at the bifurcation.
Answers
The larynx is a sensitive area of the body and any breach in aseptic technique could introduce harmful microorganisms into the area, potentially causing infection or inflammation.
It is important to maintain a strict aseptic technique during any procedure to reduce the risk of infection and ensure the safety of the patient.
If there were a minor break in aseptic technique during a procedure involving the larynx or near the carina at the bifurcation, it could potentially introduce contaminants or pathogens into the sterile field. This may increase the risk of infection or complications for the patient.
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Which elements are present in all organic compounds
Hydrogen and oxygen
Nitrogen and oxygen
Nitrogen and hydrogen
Hydrogen and carbon
Answers
Answer:
c
Explanation:
Answer:
4
Explanation:
I have a few questions?
How does the stomach work with other systems to keep the body healthy? (3) examples
How does the esophagus work with other systems to keep the body healthy (3) examples
Answers
Answer:
(1) Digestive System gets nutrients (good) from food and hands it over to the blood and Circulatory System then carries those nutrients where they need to go. (2) Filters out waste from food and pushes it through intestines and out the body (and you know how and where it gets out).
Your esophagus is an important part of your digestive system and your digestive tract. Your digestive tract is a series of hollow organs that carry food from your mouth to your anus. The food you eat can't be used for energy until your digestive system breaks it down into small molecules that your body can absorb.
Are those right????...,
Answers
Answer:
yes
Explanation:
Two scientists do not agree on which type of grocery bag is better for the environment. The Outcome of their disagreement is most likely to be:
Answer my question , ty .
Answers
Answer:
answer is D
Explanation:
Animal waste decay by the action of bacteria which create _____________and __________ products rich in nitrogen, and useful for plants to use again.
Answers
Answer:
Ammonia and nitrate
Explanation: