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Tema [17]
2 years ago
10

What membrane protein identifies the cell to the immune system?

Biology
1 answer:
Lady_Fox [76]2 years ago
8 0

Answer:

the extracellular matrix (ECM)

Explanation:

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A batch of pea plants with purple flowers were grown by crossing plants that had purple flowers (PP) with plants that had white
lubasha [3.4K]

White flowers would be recessive and purple would be dominant

(ps capital letters show the dominant genes and lowercase are usually the recessive)

3 0
3 years ago
In southern Arizona, in the Chiricahue Mountains, there are species of toads that live aciya
inysia [295]

Answer:

<em>Geographic isolation</em>

Explanation:

Geographic isolation can be described as a term that describes the model of speciation in which a biological population becomes isolated from other members of the population and can no longer have gene flow with them.

The same scenario of gene isolation is occurring in the species of taods which live at the top of the mountains in southern Arizona. This population has become reproductively isolated fro all other species of toads within the mountain range.

5 0
3 years ago
Which of the following is not true of exothermic reactions?
andriy [413]
<h2>Answer:</h2>

Option B is correct.

B. In an exothermic reaction, excess energy is released as heat.

<h2>Explanation:</h2>

An exothermic reaction is a chemical reaction that releases energy by light or heat. It is the opposite of an endothermic reaction. Expressed in a chemical equation: reactants → products + energy. Exothermic Reaction means "exo" meaning releases and "thermic" means heat.



5 0
3 years ago
A blastocyst is a
m_a_m_a [10]

Answer:

A. Cluster of cells surrounding a developing egg in the uterus

Explanation:

5 0
2 years ago
1. Which of the following statements about proteins is incorrect?
velikii [3]

Answer: Option A.

Explanation: The correct answer to the question is option A, because not all proteins are made up of some combination of 20 essential amino acids.

3 0
3 years ago
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