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3 years ago

What happens when an antigen is introduced into an organism?

Biology

1 answer:

Rzqust [24]3 years ago

5 0

Answer:

B. Monoclonal antibodies are produced from plasma cells

Explanation:

An antigen is a molecule present on the surface of a pathogenic organism and they are capable of generating an immune response by binding to specific antibodies (immunoglobulins) that are secreted by lymphocytes B cells of the immune system. B cells are a type of white blood cell that plays key roles during humoral immunity of the adaptive immune system. When an antigen is introduced into the organism, a specific lineage of B cells proliferate, in a process known as monoclonal expansion.

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How does anatomical homology provide evidence of evolution?

Nataly [62]

Evidence for evolution is provided by homologous structures. These are structures shared by related organisms that were inherited from a common ancestor. Other evidence for evolution is provided by analogous structures.

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3 years ago

Wheat has approximately 23% Guanine in its double stranded DNA. Approximately how much thymine will be found in this species

Crank

Answer:

27%

Explanation:

Guaine always pairs with cytosine

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3 years ago

Which of the following is NOT a characteristic of the northern boreal forest (taiga) biome?

Alik [6]

Answer: d. High biodiversity in the understory.

Explanation:

The taiga or boreal forests are the largest biome in the world. These can be found in the regions of North America, Alaska, and United States. These regions exhibit extreme weather conditions. Typically long winters and moderate to high precipitation. The soil is permafrost and nutrient poor as no new organic matter can be added up to the soil due to it's freezing condition. The plant growth is scanty and biodiversity is low because organisms are incapable of surviving in the harsh weather conditions.

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3 years ago

What properties are needed for something to be considered living? <br> (4 answers needed)

lana66690 [7]

Answer:

Properties which are needed for something to be considered as living are -

I) Movement

ii) Growth

iii) Respiration

iv) Reproduction

v) And other life processes such as ( transportation, excreting etc)

7 0

3 years ago

Read 2 more answers

Which statement BEST supports the choice made in Part A? A The diagram shows four daughter gametes that have exchanged genetic i

lesantik [10]

A statement which best supports the choice made in Part A (independent assortment) is: C. The diagram shows four unique gametes that are the result of two chromosomes separating in different ways.

<h3>Mendel's law of independent assortment.</h3>

Mendel's law of independent assortment is a theory which states that the alleles of two or more different genes are sorted into unique gametes that are independent of each another.

This ultimately implies that, the allele that is typically being received by a gamete for one gene doesn't influence or affect the type of allele that is received for another gene.

Based on the biological process (independent assortment) shown in the image attached below for part A, we can infer and logically deduce that a statement which best supports the choice made is that he diagram shows four unique gametes that are the result of two chromosomes separating in different ways.

Read more on independent assortment here: brainly.com/question/2376592

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4 0

2 years ago