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Veronika [31]
3 years ago
12

Need this quick plz and I will mark the brainliest.......

Biology
1 answer:
nlexa [21]3 years ago
3 0

Answer:

A. to control the crossing of the traits

Explanation:

If they self-pollinate, they don't cross traits with others.

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A gram-positive bacteria suddenly acquires resistance to the antibiotic methicillin. This trait most likely occurred due to
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The correct answer is option C, Conjugation

During conjugation the genetic material is transferred between two bacteria through a bridge like connection. In this was the bacteria acquires the resistance to the antibiotic methicillin

7 0
4 years ago
In most vertebrate neurons, an action potential arrives at the axon terminal and causes the release of chemical messenger molecu
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The correct answer is option d, that is, neurotransmitters.  

A neurotransmitter refers to a chemical component, which is discharged at the terminal of a nerve fiber by the introduction of a nerve impulse, and by diffusing across the junction or synapse. It helps in the transfer of the impulse to another muscle fiber, nerve fiber, or some other composition. Acetylcholine is a kind of neurotransmitter, that is, used by neurons in the CNS and the PNS in the control of activities ranging from heart rate and muscle contraction to digestion and memory.  


5 0
3 years ago
For centuries, certain animals have been crossed to produce offspring with desirable qualities.
Vlad1618 [11]

Answer:

Learning the dominance of alleles

Explanation:

3 0
3 years ago
2. Fill in the chart on the three types of RNA.
Inessa05 [86]

Answer:

Function:

mRNA: mRNA can be described serves intermediate molecule between the genetic material and the amino acids for the making of protein.

rRNA: It makes up the ribosomes along with the ribosomal proteins. Ribosomes are the sites where the process of translation occurs.

tRNA: The tRNA is involved in the bringing of the nucleotides to the ribososmes for translation.

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3 years ago
Name the two main compounds that are exhaled (breathed out) by humans as a result of Aerobic Cellular Respiration
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Answer:

carbon dioxide and oxygen

Explanation:

Carbon dioxide is the waste product of cellular respiration that you breathe out each time you breathe. Blood picks up oxygen and releases carbon dioxide in the lungs. The opposite takes place in the cells where the blood releases oxygen and picks up carbon dioxide.

4 0
3 years ago
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