What is meant by the clonal expansion of a b cell?.

Answers

Answer 1

Answer:

An activated B cell divides into cells that give rise to memory B cells and plasma cells.

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Answer 2

Answer:

An activated B cell divides into cells that give rise to memory B cells and plasma cells.

Explanation:


Related Questions

What is mixed cropping


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Answers

Answer:

Mixed cropping is a system of sowing two or three crops together on the same land, one being the main crop and the others the subsidiaries.

Explanation:

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Answer: 10. Control Group

11. Identify the:

Control Group = Subject A

Independent Variable = The new and original itching powder.

Dependent Variable = The type of itchiness.

Explanation: The Control Group is NOT affected by the experiment. Subject A was given the original itching powder and is not being experimented on with the new itching powder, therefore, Subject A is the Control Group.

The Independent Variable is what you can CHANGE. You control the two itching powders, so you decide which one you give to who. This makes the two itching powders the Independent Variable.

The Dependent Variable DEPENDS on the effects of the Independent Variable. This is what you cannot change, the results. In this case, the type of itchiness experienced and the amount of itchiness experienced cannot be changed, it is a result of the powders, hence why it is the Dependent Variable.

How does water form during cellular respiration?

Answers

Answer:

The electron transport chain is the third and final step of cellular respiration. Toward the end of the electron transport chain, the hydrogen from the coenzymes meets the oxygen that the cell has consumed and reacts with it to form water. In this way, water is created as a byproduct of the metabolism reaction.

Explanation:


The property of water thaj refers to its
ability to stick to itself is called

Answers

Answer:

Cohesion allows water to stick to itself.  

1. Which of the following is a mitochondrion?
A
B
C
D
O A Structure A
O B. Structure B
O C. Structure C
OD Structure D

Answers

the answer is structure b

The mitochondrion is shown is - option B. Structure B, can be identified by its characteristic features.

A mitochondrion is an oval-shaped membrane-bound organelle present in the cells of almost all eukaryotic organisms. It is known as the powerhouse of the cell as it produces energy in form of ATP, for the cell through cellular respiration.

It can be identified as bean shape or bread-like oval shape organelleit has two membranes outer membrane and the inner membrane is thrown into various types of folds called cristae is a distinguishable feature.these folds are tubular in plant cells and plate-like in animal and fungal cells.The inner membrane bears functional unit, beads like oxysomesOxysomes take part in ATP synthesis

Thus, The mitochondrion is shown is - option B. Structure B.

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1. What is the optimal temperature that this enzyme functions at and why?
2. What is the optimal Ph that this enzyme functions at and why?

Answers

Answer:

The optimal temperature this enzyme functions is at 35 degrees C, as the optimal pH this enzyme functions is at 6. You can easily tell this due to the highest point on the graph (highest rate of reaction).

bonus points question

1.write the alphabets
2.how many alphabets are there in total


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Answers

Answer:

abcdefghijklmnopqrstuvwxyz

Explanation:

26

ABCDEFGHIJKLMNOPQRSTUVWXYZ

Explanation:

There are 27 alphabets

What is the definition of the word enzyme

Answers

Answer:

any of numerous complex proteins that are produced by living cells and catalyze specific biochemical reactions at body temperatures

Answer:

Enzymes are proteins that act as biological catalysts (biocatalysts).

Explanation:

What are advantages of monoculture? Check all that apply. 25 Points
A. produces crops that are easier to grow
B. produces crops that cannot be destroyed by diseases
C. limits variety of taste and nutrition among crops
D.results in higher yields of crops
E. allows for the same resources to be used on crops

Answers

Answer:

a,d,e

Explanation:

i aint gonna do you dirty

Answer:

a, and c

Explanation:

its the answer

Why are RNA and DNA called complementary bases ?

Answers

both rna and DNA are part of macromolecules

In what phase of mitosis does the nucleolus reappear

Answers

Answer:

Its in the telophase

Where can cells be found in the body?

Answers

Answer:

muscle skin bone tissue

Answer:

your whole body

Explanation:

cells are your body, every part of your body has cells, from you head to your feet

approximately how many clams would be developing in 10 degree Celcius water ?

Answers

Answer:

52

Explanation:

52 clams would be developing in 10 degree Celcius water. The clams that survived in the 21°C and 25°C water are used in both the biomarker and genetic analysis.

what are the characteristic features of clams ?

Clam are the member of mollusks belong to Bivalvia class of invertebrate which are characterized with flattened body and two shells on their back.

The body is covered by a protective shells which are calcareous and hard, usually oval, joined by a band known as ligament.

The shell has a thin and a protuberance on its dorsal part called umbo

The color of the shells may vary either dark gray in color, grayish, brown spot, yellowish white in color.

Clams have head but underdeveloped, gills for gaseous exchange, lack eyes and brains, their heart, mouth, rectum and circulatory system are surrounded by blood and water.

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Answers

Can't see well EEEEEEKKK

4 Biotic and abiotic factors that are affected by water pollution

Answers

Answer:

biotic: fish, agle, turtles, dolphins, abiotic: air, water, rocks, dirt

Explanation:

biotic is living abiotic is non- living

what actually transferred when you dipped your finger into the water

a. heat
b. coldness
c. molecules​

Answers

Answer:

a.heat

Explanation:

Bc when you put your finger in hot water uu fill the heat of the hot water am i right or am i wrong?......

letter A heat or B coldness

You want to test whether or not bees are attracted to certain perfumes. You place 3 bowls that contain 5 mLs each of 3 different perfumes and 1 bowl that contains 5mLs of water the same distance away from the beehive and count how many bees land on the bowl for 1 hour. What is the control of your experiment?

Answers

Answer:

The control group in your experiment is the bowl of water.

Explanation:

A control group in an experiment is there to prove your experiment works. By having water there, you are proving that the bees are attracted to the perfume itself and not just any liquid.

GIVING BRAINIEST
how have humans traveled to the International Space Station.

Answers

Answer:

236 People have walked the decks of the ISS

Answer:

The space station has also housed as many as 13 people several times, but only for a few days during crew changeovers or space shuttle visits. The space shuttle fleet retired in 2011, leaving Soyuz as the only current method to bring people to the ISS

Explanation:

What do Nucleus and Chloroplasts have in common?

Answers

Answer:stuff like

Explanation:


How organisms are spaced, either random, uniform, or clumped in their habitat refers to their population
A. Density
B. Distribution
C. Limiting factor
D. Immigration

Answers

Answer:

B.

Explanation: I'm 100% sure its Distribution.

What do scientists call the center of the Earth?

Answers

Answer: The call it the Inner Core

Explanation: Earth has 4 layers the Inner Core, the mantle, the outer core and  the crust.

The crust- it is the surface of the Earth

The Mantle- Down below the crust is the Mantle

The outer core- known to protect the inner core

The inner core- also known as the center of the Earth


According to the theory of island biogeography which of the following ecosystems is not an island ecosystem?
A) cave
B) Salt marsh
C) mountaintop
D) desert OasIs

Thanks!

Answers

Answer:

Salt marsh

Explanation:

Coastal areas which are surrounded and drained by sea water washed in by the oceans are sea marshes. These are marshy since deep muddy and peat can make up the soil. Peat is made from decomposition process, sometimes many feet high, plant matter. It is submerged in water, bottom-filled, and very fibrous with peat.

Benefits of Microscopes
3. Consider the technology behind each type of
microscope. Why can light microscopes produce
images in their natural color, while scanning
electron and transmission electron microscopes
only produce grayscale images?

Answers

Answer:

See the answer below

Explanation:

The light microscope is able to produce images in their natural color because photons of visible light are utilized as a light source and color is a function of light. Both transmission and scanning electron microscopes are not able to produce images in their natural colors because they utilize beams of electrons to image specimens. They produce grayscale images instead because the regions of the specimen where electrons pass through are usually white while other regions remain black.

A 5 carbon sugar product of the calvin cycle

Answers

Answer:

txoercrvrvvt

f cdf

Explanation:

v. d fg tntbntrb

The diagrams below represent two cells. Letter A represents a part of each cell. Which part of the cell is labeled A in both diagrams?
A. cell wall
B. chromosome
C. cytoplasm
D. nucleus

Answers

Answer:

The answer would be "C," as all of the organelles are suspended in the cytoplasm of a cell. The cytoplasm is extremely important as it protects genetic material and prevents organelles from colliding.

Answer:The answer is C. The cytoplasm is extremely important as it protects genetic material and prevents organelles from colliding.

Explanation:

______ are the units of inheritance in all living organisms.​

Answers

Answer:

Chromosomes

Explanation:

Chromosomes

The answer would be: Genes

Explain why the products of photosynthesis and cellular respiration are
ecologically important.

Answers

Answer:

While cellular respiration releases carbon dioxide into the environment, photosynthesis pulls carbon dioxide out of the atmosphere. The exchange of carbon dioxide and oxygen during photosynthesis and cellular respiration worldwide helps to keep atmospheric oxygen and carbon dioxide at stable levels.

How is a species’ population dynamics affected by the presence of another species with the same niche?

Answers

Answer:

If two species occupied the same niche, they would be competing for the exact same resources. The competitive exclusion principle states that one of the species would drive the other to extinction.

Two species would be in direct competition for the same resources if they both occupied the same niche. According to the competitive exclusion principle, one of the species would inevitably wipe out the other.

What is niche?

It defines how an organism or population responds to the distribution of resources and competitors.

(for instance, by growing when resources are abundant and when predators, parasites, and pathogens are scarce) and how it then modifies those same factors.

According to the competitive exclusion principle, often known as Gauss's law, two species that are vying for the same resource in the same habitat but occupy distinct niches cannot coexist at constant population values.

Two species can dwell peacefully in ecological niches without facing any rivalry. It encourages diversity and keeps the food chain in balance.

Therefore, population dynamics affected by the presence of another species with the same niche.

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Child level explanation for what the cell membrane does for the cell

Answers

it separates the inside of the cell from the environment outside and it controls substances moving in and out of the cell (selectively permeable)

10. Explain Darwin's theory. You can us
use diagrams to help you.

Answers

Darwin’s theory of evolution explains that evolution occurs from natural selection.

Individuals from each species each have a certain set of physical traits.

One individual will have a set of traits that is more suited for their environment and will survive (where as the less suited ones will not) and very very slowly overtime that particular species will evolve into another species, or evolve.

Darwin’s point was that basically, every species that is alive today was not “created” individually, but evolved from simple life forms to more complex and diverse life forms.

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Vocabulario y gramticacan perform the tasks on41to talk about what you do in classaprender de to memoriememoriacontestarto answerdar un discurso to give a speechdiscutirto discussexplicarto explainhacer unato ask a questionpreguntael informereportel laboratorio Laboratoryla palabra wordpedir ayuda to ask for helpel proyecto projectsacar una buena to get a good gradenotanegative and affirmative wordsalguiensomeone, anyonealgn, alguna, some, anyalgunos, -asnadieno one, nobodyningin, ninguno, a no, non, not any(See p 31 for a complete chart.)other useful wordsconocerto knowwhatsobreon, aboutlo queto talk about classroom rulesa tiempoon timeentregarto turn inllegar tarde to arrive lateprestar atencin to pay attentionLa reglarulerespetarto respectwe prohibe... it's forbiddenalmorzar (ove) to have lunchalmuerzo almoramosalmuertas almersalmuerza almueranempezar (e-ie) to start, to beginempiezo empezamosempiezas empezasempieza empiezanentender (e-lej to understandentiendo entendemosentiendes entendelsentiende entiendenrepetir (e-) to repeatrepito repetimosrepites repetisrepiterepitento name school objectsel armario lockerel asientoel carnet de ID cardidentidadla cinta adhesiva transparent tapela grapadora staplerlos materiales supplies, materialslas tijerasForlar Which statements about the Mississippian Indians are correct? Select all that apply. A They mainly lived in pueblos. B They lived in large mound towns. C They were largely a nomadic people. D Their villages were ruled by a single king. E Their villages were organized as chiefdoms. A man drove his car a distance of 366 miles in 6 hours. If continuing at this rate is possible, he will travel miles in 7 hours Can anybody help me please with question 2 please and thank you .I would really appreciate it so much. Please and thank you What energy molecule results from cellular respiration? The most important industry in the Caribbean is __________.A.aircraft manufacturingB.coffee farmingC.tourismD.oil production 3. If Dr. Birdley is packing a if Dr.Birdley is packing a snowball, which ofthe following properties is likely to increase?a) massb) volumec) densityd) weight Amanda wrote a list that contained only multiples of 16. Which of the following lists could be Amandas list?Question 2 options:{1, 2, 4, 8, 16}{16, 32, 48, 64, 80}{16, 32, 42, 64, 84}{4, 8, 12, 16, 20, 24, 28} words for no reason and also nothing and more nothing The following is the correct way to show the product for 0.297 times 7.1 what is the central idea of the life,crime,and capture of John Wilkes Booth? How do you specific details from the text help help to develop the central idea? Please write 1-3 paragraphs supported with textual evidence. how do you say I hate u in Spanish Ricky is inviting 8 friends to a party. If each friend will get 6 cookies and in each box are 10 cookies, how many boxes will Ricky need to get? ANSWER PLEASE question in image ( please explain ? ? ) Andre wants to buy a $230 MP3 player. He has $50 and will save $30 per month. Write an equation in slope intercept form to determine how much Andre will have to save. Which ONE of the following is NOT true concerning the Torah?It is the first 5 books of the Old TestamentIt contains the 10 CommandmentsIt teaches about how to worship many godsIt is believed to be written by Moses How did Emperor Taizong come to rule the Tang dynasty?He forced his father to hand over power.He killed his living relatives to become the only possible ruler.He exiled all who opposed his rule and defeated his political rivals.He defeated foreign rivals and established the dynasty, becoming the first ruler. Show work on y=-4x-1Find the slope In order to produce a tsunami, an earthquake must? Mindy spent $6.24 for a new binder, $1.95 for a notebook, and $5.59 for a new packof her favorite mechanical pencils. Estimate ABOUT how much did she spend?