T-cells is a killer cells that recognizes and kills an infected cell due to the presence of viral antigen on its surface. B-cells produce antibodies to fight bacteria and viruses.
T-cells release chemical granzymes to induce apoptosis but B-cells does not become macrophages.
Basophil release histamine, serotonin, and leukotrienes. It trigger inflammation. Monocyte do not produce antibodies.
Basophils-release histamine. Leukocytes engulf invading microorganisms.
Answer - Option A
why improving Microsoft Access
is important in the workplace?
Which statement accurately describes the energy needs for photosynthesis and cellular respiration?
A. Solar energy is needed for cellular respiration but not for photosynthesis.
B. Chemical energy in the form of glucose is needed for both cellular respiration and photosynthesis.
C. Chemical energy in the form of glucose is needed for photosynthesis, and solar energy is needed for cellular respiration.
D. Solar energy is needed for photosynthesis, and chemical energy in the form of glucose is needed for cellular respiration.
Answer:
D. Solar energy is needed for photosynthesis, and chemical energy in the form of glucose is needed for cellular respiration.
Explanation:
Provide at least three ways in which Mountains can be impacted by either natural processes or human processes, including both constructive and destructive processes.
HELP! I Will Pick brainliest
Answer:
Chemical & Mechanical Weathering
Erosion
Explosive Volcanic Eruptions
Explanation:
Lab Report for Digestive and Excretory
The digestive and excretory system are two interconnected physiological systems responsible for breaking down food and eliminating waste products from the body.
In this lab report, we examined the process of digestion and excretion in a variety of organisms, including humans, frogs, and worms. Through a series of experiments and observations, we were able to identify the key components and processes involved in each system, such as the role of enzymes in digestion and the function of different organs in excretion.
We also investigated the effects of various factors, such as diet and hydration, on the efficiency of these systems. Overall, this lab provided valuable insight into the complex and essential processes of digestion and excretion in living organisms.
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Question # 5
Fill in the Blank
Complete the following sentence.
Genetic inheritances are
traits.
Answer:
Genetic inheritances are traits that are passed down from parents to offspring through their genes.
Explanation:
These traits are determined by the genes that an individual inherits from their parents, and they can influence an individual's physical characteristics, behavior, and other traits. Some examples of genetic inheritances include eye color, height, and susceptibility to certain diseases.
FILL IN THE BLANK. Plant cells have large central ______ where water, salts, and sugars are stored and where materials are broken down and recycled with enzymes similar to lysosomes in animal cells.
Answer:
vacuole
Explanation:
Plant cells have large central vacuole where water, salts, and sugars are stored and where materials are broken down and recycled with enzymes similar to lysosomes in animal cells.
vacuole- A membrane-bound cell organelle known as a vacuole. Animal cells typically have tiny vacuoles that aid in the sequestration of waste. Vacuoles in plant cells aid in preserving the equilibrium of water. A single vacuole may occasionally occupy the majority of a plant cell's inner volume.
why most plants cannot survive in deserts?
Answer:
maybe beacuse there not enough water and its too hot the sun will dry them up
Explanation:
Answer:
Because the ground is not fertile.
and there is too much of sunlight.
A particular species of salamander was observed in California. Some groups of salamanders moved to the east, and a few others moved to the west. Over time, the two evolved and were no longer able to mate. This incompatibility was caused by
. The salamanders developed different reproductive behaviors, and the species were
Allopatric speciation occurs when the original population gets divided into two new groups exposed to different pressures. With time, each group evolves separately, giving rise to two new isolated species that can not mate with each other anymore. 1) Allopatric speciation. 2) behaviorally isolated.
What is allopatric speciation?
Allopatric speciation consists of the geographic separation of a continuous genetic background so that it can give place to two or more new geographically isolated populations.
These separations might be due to migration, extinction of geographically intermediate populations, or geological events.
In this speciation, some barriers impede genetic interchange, or genetic flow, as the two new populations that are separated can not get together and mate anymore. These barriers might be geographical or ecological.
The exposed example is a case of allopatric speciation, in which the original population separates, and with time, two new species emerge. These new species are so different they can not mate any more.
1) This incompatibility was caused by Allopatric speciation.
2) The salamanders developed different reproductive behaviors, and the species were behaviorally isolated.
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Complete question:
A particular species of salamander was observed in California. Some groups of salamanders moved to the east, and a few others moved to the west. Over time, the two evolved and were no longer able to mate. This incompatibility was caused by (A. allopatric speciation, B. convergent evolution, C. coevolution) . The salamanders developed different reproductive behaviors, and the species were (A. mechanically isolate, B. behaviorally isolated, C. temporally isolated).
Answer:
1. Allopatric speciation 2. behaviorally
Explanation:
i got it right on my test
I really need help with number 7 no one was able to help me yet and I need the help thanks
Answer:
insulin it is used by the diabetes patient when they are diabetes level is high and on that time there to use this because medicines is not able to work properly on that time so this insulin have been used injection
jai hind
When blood glucose levels is too high, insulin is secreted and is responsible for increasing the absorption of glucose into the body cells for its own use which decreases the blood glucose level to normal levels. Insulin regulates blood glucose levels.
On the flip side, if blood glucose levels are too low, glucagon is secreted and is responsible for converting stored glycogen into glucose which are then secreted into the blood, thus increasing blood glucose levels.
Which base does Cytosine pair with?
A. Adenine
B. Guanine
C. Uracil
D. Thymine
Cytosine, a nitrogenous base found in DNA and RNA, pairs with guanine. The correct answer is option B.
This pairing is based on the complementary base pairing rule in which cytosine forms three hydrogen bonds with guanine. The other base pairs in DNA are adenine with thymine, and in RNA, adenine pairs with uracil. The complementary base pairing is crucial for DNA replication and transcription processes. Cytosine and guanine, along with adenine and thymine/uracil, form the base pairs that make up the rungs of the DNA double helix structure.Understanding base pairing is fundamental to understanding the structure and function of nucleic acids. Therefore, the correct answer is option B.For more questions on DNA
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Cytosine pairs with Guanine.
Explanation:The base Cytosine pairs with the base Guanine in DNA. This base pairing is a key component of the double-stranded DNA structure.
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1. Complete the table to summarize the inputs and outputs of matter and energy that are shown in your models of photosynthesis and cellular respiration. Some of the data have been filled in for you. (7 points)
Photosynthesis
Cellular respiration
Inputs
Outputs
Inputs
Outputs
Number of C atoms
6
Number of H atoms
12
Number of O atoms
18
Energy-carrying molecules
1 adenosine triphosphate (ATP) molecule
Type of energy
Light energy
Photosynthesis:
Inputs Outputs
Number of C atoms 6
Number of H atoms 12
Number of O atoms 18
Energy-carrying molecules Light energy
Cellular respiration:
Inputs Outputs
Number of C atoms 6
Number of H atoms 12
Number of O atoms 6
Energy-carrying molecules Adenosine triphosphate (ATP)
In photosynthesis, the inputs include 6 carbon (C) atoms, 12 hydrogen (H) atoms, and 18 oxygen (O) atoms. These atoms are obtained from carbon dioxide (\(CO_{2}\)) . Glucose \(C_{6} H_{12} O_{6}\), which contains 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms. Additionally, oxygen (O2) is released as a byproduct.In cellular respiration, the inputs are the same as the outputs of photosynthesis. This is because the products of photosynthesis, such as glucose and oxygen, serve as the inputs for cellular respiration. Glucose is broken down during cellular respiration to release energy. The process involves the consumption of 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms. The energy released is captured in the form of adenosine triphosphate (ATP), which is the energy-carrying molecule used by cells for various metabolic processes.For more such question on photosynthesis
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The density of gas particles in a section of Earth's atmosphere decreases. Which of the following is the most likely explanation for this event?
The air pressure in that section of Earth's atmosphere decreased.
The air pressure in that section of Earth's atmosphere increased.
The total number of gas particles in Earth's atmosphere decreased.
O The total number of gas particles in Earth's atmosphere increased.
The most likely explanation for the decrease in the density of gas particles in a section of Earth's atmosphere is that the air pressure in that section of the atmosphere decreased.
Density is defined as mass per unit volume. In the case of a gas, density is directly related to the number of gas particles (molecules or atoms) present in a given volume. When the air pressure decreases, it means that there are fewer gas particles exerting force per unit area. As a result, the density of gas particles in that section of the atmosphere decreases.
Air pressure is the force exerted by the gas particles on the walls of the container or the surroundings. It is influenced by several factors, including temperature, altitude, and the presence of other gases. Changes in these factors can cause fluctuations in air pressure. For example, if there is a decrease in temperature, the gas particles lose kinetic energy, which leads to decreased pressure and density.
It is important to note that the total number of gas particles in Earth's atmosphere does not necessarily change significantly over short periods of time. The atmosphere is composed of a vast number of gas molecules, and while there may be variations due to natural processes, such as volcanic eruptions or biological activities, these changes are relatively small compared to the overall composition of the atmosphere.
Therefore, the most likely explanation for the decrease in density of gas particles in a section of Earth's atmosphere is a decrease in air pressure, which can occur due to various factors such as weather systems, changes in altitude, or movement of air masses.
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Planets A and B have the same size, but planet A is half the mass of planet B.
Which statement correctly explains the weight you would experience on each
planet?
OA. You would weigh the same on both planets because your mass
would be the same on both.
OB. You would weigh more on planet A because it has less mass than
planet B.
OC. You would weigh the same on both planets because the planets
are the same size.
OD. You would weigh less on planet A because it has less mass than
planet B.
The statement that would correctly explains the weight you would experience on each planet is You would weigh less on planet A because it has less mass than planet B. Option D
How does mass affect weight?Weight is the force experienced by an object or person due to gravity. Since it is as a result of gravitational force, it depnds on both the mass of the objct or person and the level of gravity of the planet.
Gravity is dependent on th mass of the planet, and if planet A has lesser the mass of planet B, its gravitational force will be most likly be weaker.
This therefore means a person is going to weigh less on planet A than on planet B, even though both planets have the same size.
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In the diagram below, what part of the excretory system is labeled B?
A-
A. Kidney
OB. Ureter
OC. Urethra
OD. Bladder
B.
D
Option(B) Ureter is the correct option.
The ureter is a vital part of the urinary system in humans. It is a muscular tube that connects the kidneys to the urinary bladder. Each human has two ureters, one attached to each kidney, and they play a crucial role in the transportation of urine from the kidneys to the bladder.
The primary function of the ureter is to carry urine that is produced in the kidneys to the urinary bladder for storage before it is eliminated from the body through urination. The ureters accomplish this by using peristalsis, a wave-like muscular contraction, to propel urine along their length.
The ureters have a complex anatomical course. They originate from the renal pelvis, which is the funnel-shaped structure that collects urine from the kidneys. From there, they extend downward, crossing over the brim of the pelvis and passing behind the peritoneum, the membrane lining the abdominal cavity.
The efficient functioning of the ureters is essential for the proper elimination of waste products and maintenance of fluid balance in the body. Any obstruction or abnormality in the ureters can lead to conditions like kidney stones, urinary tract infections, or urinary reflux.
In summary, the ureters are muscular tubes that transport urine from the kidneys to the urinary bladder. They rely on peristaltic contractions to propel urine, and their structure and positioning help ensure unidirectional flow.
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pls help i am in 8th grade k12
Answer: Many actors can post their work on
Explanation:
The part of the cell that contains the living substance of the cell, excluding the nucleus, is the _____. cell membrane cytoplasm nucleus cell wall
Answer:
protoplasm, the cytoplasm and nucleus of a cell. The term was first defined in 1835 as the ground substance of living material and, hence, responsible for all living processes.
Answer:
cytoplasm
Explanation:
in the context of science, how would you classify the following statement? dinosaurs became extinct because a large asteroid collided with earth.
Dinosaurs became extinct because a large asteroid collided with earth. The answer is Hypothesis.
What is meant by asteroid ?
One of the smaller planets in the inner Solar System is an asteroid. Asteroids are stony, metallic, or ice worlds without an atmosphere, with sizes and forms ranging from 1-meter pebbles to a dwarf planet with a diameter of over 1000 km.In the past, asteroid observations have been made from Earth; however, the Galileo spacecraft made the first near study of an asteroid.NASA and JAXA subsequently launched a number of asteroids-focused missions, and other missions are being planned.While Dawn investigated Vesta and Ceres, NASA's NEAR Shoemaker studied Eros. Itokawa and Ryugu samples were investigated by the JAXA missions Hayabusa and Hayabusa2, respectively, and returned.Bennu was examined by OSIRIS-REx, which took a sample in 2020 and will return it to Earth in 2023.To learn more about asteroid refer to
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1. Some human societies have lifestyles that are sustainable, while others do not.
a. Describe how living near water can lead to a more sustainable lifestyle. (0.5
point)
Sustainable living is the attempt to reduce the use of natural resources like fossil fuels, forests, and others by the human society so that these resources remain available for future generation.
It is associated with maintaining the balance in the ecological, economical and societal needs to lead a healthy lifestyle. As it mainly emphasizes over the protection of the environment then it is also called as green living.
An individual who pursues a lifestyle where he/she is concerned of using the resources in a limited quantity so the basic requirement of his/her is fulfilled along with preserving the remaining resources for the coming generation so that their basic requirements could be met, is following a sustainable living.
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Label each process of sedimentary rock formation in the appropriate order.
Important long-term contributions of ancient Greek and Roman civilizations are primarily found in the area of religious doctrine government and law military technology economic policy and planning
Answer: Government and law
Explanation:
original source of energy for killer whale
Answer:
food would probably be the best answer
Which statement regarding ferns is true?
Ferns produce seeds that are dispersed by water.
Ferns produce pollen that is dispersed by air.
Ferns have well-developed roots and rigid stems.
Ferns are most diverse in grassland environments.
The statement "Ferns have well-developed roots and rigid stems" is true about ferns.
What are ferns?A fern is a type of vascular plant (a plant with both xylem and phloem) that reproduces through spores rather than seeds or flowers. The polypodiophytes, which are all living pteridophytes other than lycopods, are distinguished from mosses and other bryophytes by their vascularity (i.e., the presence of specialized tissues that conduct water and nutrients) and by the dominance of the branched sporophyte phase in their life cycles.
Megaphylls, the complex leaves seen on ferns, are more complex than the microphylls found on clubmosses. The majority of ferns are leptosporangiate ferns. Fiddleheads are produced, which uncoil and spread into fronds. There are roughly 10,560 known living species in the category.
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What will be the equation of a hyperbola that satisfies the given conditions having Foci at (±27,0) and the length of the transverse axis is 4.
The equation of a hyperbola that satisfies the given conditions is (x - a)² / a² - (y - 0)² / b² = 1.
How to determine equation of a hyperbola?The equation of a hyperbola with foci at (±a,0) and a transverse axis of length 2c is given by:
(x - a)² / a² - (y - 0)² / b² = 1
where a = distance between a focus and the center of the hyperbola, and b = distance between a vertex and the center of the hyperbola.
In this case, a = 27 and c = 4.
Substituting these values into the equation above, the equation of the hyperbola becomes:
(x - 27)² / (27)² - (y - 0)² / (4)² = 1
Simplifying, gives the equation:
(x - 27)² / 729 - y² / 16 = 1
This is the equation of the hyperbola that satisfies the given conditions.
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Will mark brainliest!!!
Answer:
water
Explanation:
The molecules that are used up in photosynthesis are water and carbon dioxide.
Answer:
D. Water
Explanation:
The molecule that is used up during this process is Water.
functions of stem help
Explanation:
What is stem ?
= Stem is the part of the plant which grow above the ground....
Function :The major function of stem are production and support to the branches , leaves , buds , flowers , seeds etc. It also helps in conduction of water , minerals and foods in different part of the plant...
Besides this primary functions , the stem of some plants are modified into different shapes , size and structure and perform some special functions as an perennation , vegetative propagation, storage , food production etc....
\(...\)
Which foods would have the following nutrient test results? (results shown below)
a. beef, peanut butter, tuna
b. apple juice, honey, orange juice
c. candy, table sugar, cola
d. pasta, bread, crackers
What is the surface of the Earth called?
Crust
Mantel
Inner core
Outer core
Answer:
crust
Explanation:
Correctly label all 3 parts of this diagram.
1 can be labeled as an amino acid, 2 as the ribosome, and 3 as the anticodon.
Protein synthesisThe image depicts the process or translation of genetic codes, otherwise known as protein synthesis.
During translation, mRNA, a structure that contains the genetic codes to be translated, binds to the ribosome. Then, another RNA, the tRNA which carries the anticodons for the genetic codes also binds. The tRNA also carries the amino acids specific for each genetic code.
The translation machinery then reads the genetic codes one after the other. each time the anticodon on the tRNA matches the genetic codes, the amino acid is released. Successive amino acids are linked by peptide bonds. Thereafter, the growing chain of amino acid exit the translation bubble.
Thus, the labels for 1, 2, and 3 in the image would be as follows:
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What materials can someone use to BEST erase part of a document?
A person can use an eraser, whiteout, or a computer program to erase parts of a document.
What is Computer?Computer is an advanced electronic device that takes data as input, processes it according to a set of instructions and produces the desired output. It is used to perform various tasks such as calculations, data processing, and automated reasoning. Computers have become an integral part of our daily life and have helped us in many ways. They have enabled us to store and access data quickly, communicate with people around the world, and make calculations faster and more accurate. Computers are also used for entertainment such as gaming, videos and music. In addition, computers are used in many industries such as medical, business, engineering, and security.
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EVIDENCE
What evidence have you discovered to explain how humans depend on different resources?