Antigen-presenting cells usually display processed antigens to T cells in the LYMPH NODES. These nodes are regions of the body where lymphocytes are activated.
T cells are white blood cells (lymphocytes), which form part of the immune system.
These cells (T cells) develop in the bone marrow.
The lymph nodes are secondary lymphoid organs in which naive T cells that search for specific antigens examine antigen-presenting cells (APCs) for their activation.
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what is the highest level of organization that ecologists study?
Explanation:
Biosphere. It is the highest level of organization. It is the global ecological system which consists of all the living organisms and other factors which supports life.
whitch statment best compares and contrasts lipids and carbohydrates?
Answer:
The key difference between carbohydrates and lipids is that the carbohydrates are immediate energy sources in living organisms while the lipids act as a long-term energy resource and tend to be utilized at a slower rate. Carbohydrates and lipids are important nutrients in living organisms.
Explanation:
. What does the term mutation mean in regards to human genetics?
Answer:
A mutation is a change in a DNA sequence. Mutations can result from DNA copying mistakes made during cell division, exposure to ionizing raditation, exposure to chemicals called mutagens, or infected by viruses.
Explanation:
A mutation is a change in a DNA sequence.
what are some of the functions of proteins in the body
Explanation:
The main building material in the body.
They are carriers of vitamins, hormones, fatty acids and other substances.
Provide the normal functioning of the immune system.
Provide the state of the "apparatus of heredity".
They are catalysts of all biochemical metabolic reactions of the body.
what is the hollow space within the diaphysis of a long bone called?
Answer:
The hollow region in the diaphysis is called the medullary cavity, which is filled with yellow marrow. The walls of the diaphysis are composed of dense and hard compact bone. ... The outer surface of the bone is covered with a fibrous membrane called the periosteum(peri- = “around” or “surrounding”).
Explanation:
Can you help me with this? :(
Answer:
yellow and red offspring will be produced
A scientist looks into a microscope and sees that chromosome pairs are in bipolar
tension. Which mitotic phase is the scientist likely witnessing? (1 point)
O metaphase
O anaphase or telophase
O prophase or metaphase
o anaphase
Answer:
metaphase
Explanation:
I took the test, it's right.
Answer:
metaphase
Explanation:
1.anaphase
2.telophase
3.anaphase
4.mitosis
5.metaphase
hope this helps:)
How can you tell that the rock, Diorite, is intermediate?
Answer: You can tell that this rock has roughly an equal abundance of white and black minerals. If you click to zoom, you will see only one feldspar and no quartz.
why do histone genes have a very slow molecular clock?
Answer:
The structure of the histone gene must be conserved for DNA to function properly.
Explanation:
:)
What was the optimum temperature for bromelain activities?
Acidic rainwater dissolving rock is an example of
A. oxidation
Bicarbonation
C.hydrolysis
D. salt wedging
Explanation:
oxidation bicarbonation
The table below shows some of the ingredients in the four different drinks. Which of these drinks would give an athlete the most energy we litre
Answer: 2
Explanation: the numbers add up to make the highest number
How would a protein transit through a cell?
Answer:
How would a protein transit through a cell?Explanation:
Protein cargo moves from the ER to the Golgi, is modified within the Golgi, and is then sent to various destinations in the cell, including the lysosomes and the cell surface. The Golgi processes proteins made by the endoplasmic reticulum (ER) before sending them out to the cell.
what are 4 cellular activities that would require the energy of ATP?
Answer:
active transport (moving particles against the concentration gradient)making proteinscell division (for growth and repair)transmission of nerve impulsesHope this helps!
ATP is the energy currency of the cell and it is required almost everywhere. 4 cellular activities that would require the energy of ATP will be cellular respiration, ion transport, muscle contraction, nerve impulse.
What is the role of ATP ?The role of ATP is providing energy where it gets hydrolysed into ADP along with the phosphate ion where the reaction provides energy and this reaction brings about energy in the activity.
The cellular activities are the activities that take place inside the cell and various activities that will link to them in order to perform various functions. DNA synthesis, biochemical reactions, cellular respiration, cellular activities all takes place with the help of ATP.
Therefore, ATP is required almost everywhere in both cellular respiration activities and cellular activities.
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3. Which of the following resembles a hypothesis?
Joe witnesses a shooting star and makes a wish.
Shen wonders how shooting stars form in outer space.
Rodney claims that shooting stars burn from entering Earth's atmosphere.
Jane researches how much friction causes combustion.
Answer:
Rodney claims that shooting stars burn from entering Earth's atmosphere.
Answer:
Rodney claims that shooting stars burn from entering earths atmosphere
Explanation:
Where do daughter cells come from
Answer:
Parent cell
Explanation:
When a single parent cell divides, It creates two daughter cells. Hope this helps you!
hey nerds why aren't blueberries blue
Answer:
Blueberries get their color from anthocyanins.
Explanation:
Answer:
Because its got more anthocyanins since its a darker colour.
Explanation:
Vhich molecules store information related to the function of a cell in the form of a coded message!
A
nucleic acids
B
lipids
C
enzymes
D
carbohydrates
Answer: The correct answer is A. nucleic acids.
Explanation: The genetic information is stored in the form of nucleic acids i.e. deoxyribonucleic acids (DNA) or ribonucleic acids (RNA).
Nucleic acids are large macromolecules in cells and viruses. Nucleic acids store and express genetic data. Therefore, option (A) is correct.
What are nucleic acids?The biopolymers and macromolecules known as nucleic acids are fundamental to every known type of living being. Nucleotides, which are the monomers that make up nucleotides, are composed of a 5-carbon sugar, a phosphate group, and a nitrogenous base. They are the building blocks that make up nucleotides. Deoxyribonucleic acid and ribonucleic acid are the two primary subgroups that can be found among nucleic acids.
Nucleic acids, including deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), are responsible for carrying genetic information. This information is read in cells and used to produce RNA and proteins, which are necessary for the functioning of living things.
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how long does it take for a body to decompose underwater
Answer:
Even a weighted body will normally float to the surface after three or four days, exposing it to sea birds and buffeting from the waves. Putrefaction and scavenging creatures will dismember the corpse in a week or two and the bones will sink to the seabed.
Explanation:
Hope it helps!!
Answer:
According to the Australian Museum, in the summer, a body can completely decompose in as little as nine days.
Explanation:
which of these features is found in a lumbar vertebra?
Answer: All of the choices are correct
Explanation: Just do it I got it correct
Any information about Bird DNA?
trying to find stuff but no one tells me anything...
Answer:
hmm sounds like the FBI is hiding something from you
Explanation:
Answer:
look it uo
Explanation:
with that question you are better off just looking it up
True/false: nerve tissue is found in the retina; the rods and cones in the back of the eye
which joints are synostoses that have distinct, interlocking, usually irregular edges that increase their strength?
SUTURES are synarthrotic joints that have distinct, interlocking, usually irregular edges that increase their strength. Sutures are joints between the bones of the skull.
Synarthroses are immovable joints (synarthrosis) in which bones are separated by a thin layer of fibrous connective tissue.
A suture is a narrow synarthrotic joint that occurs between specific bones of the skull.
These main sutures of the skull include metopic suture, coronal suture, sagittal suture, and lambdoid suture.
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What is the process of double pump?
Answer:
Your heart is a single organ, but it acts as a double pump. The first pump carries oxygen-poor blood to your lungs, where it unloads carbon dioxide and picks up oxygen. ... The second pump delivers oxygen-rich blood to every part of your body. Blood needing more oxygen is sent back to the heart to begin the cycle again.
Explanation:
which gas is cycled into the atmosphere at the arrow?
Answer:
oxygen
Explanation:
Which of the following does not describe a source of greenhouse gases?
Steam of fossil fuels
Burning of fossil fuels
Freezing of permafrost
Emissions from landfills
Answer:
i think its C) Freezing of perma frost
Explanation:
The option that does not describe a source of greenhouse gases is the freezing of glaciers. Thus, the correct option is C.
What are greenhouse gases?Greenhouse gases may be defined as those gases that are present in the earth's atmosphere and trap the heat and radiation from the sun and emitted toward the earth.
Such greenhouse gases are responsible for the greenhouse effect that ultimately leads to global warming.
Steaming and burning of fossil fuels and emissions from landfills extremely liberated the high amount of carbon dioxide in the atmosphere which is one of the most potent greenhouse gas.
Therefore, the option that does not describe a source of greenhouse gases is the freezing of glaciers (hailstone). Thus, the correct option is C.
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Plant cells are generally larger than animal cells. A True B False
Answer:
False
Explanation:
Eukaryotes are larger
Answer: True, Happy To Help
Explanation:
differentiate bw jellyfish and hydra
Explanation:
The polyp form is found in the genus hydra, whereas the most typical form of Medusa is found in the group called sea jellies"(jellyfish).
what is 29618 rounded to the nearest thousand
Answer:
30000
Explanation:
anything that is at least 29500 can be rounded up to 30000, and 29618 is included.
Brainiest?
the contractile organelle of skeletal muscle fibers is
Answer:
The myofibrils are the contractile organelles in the muscle fibers.