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siniylev [52]
3 years ago
7

Question 14

Biology
1 answer:
Whitepunk [10]3 years ago
8 0

Answer:

is A.

Explanation:

When an action potential reaches the axon terminal, it depolarizes the membrane and opens voltage-gated Na+ channels. Na+ ions enter the cell, further depolarizing the presynaptic membrane. ... Fusion of a vesicle with the presynaptic membrane causes neurotransmitters to be released into the synaptic cleft.

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A 5 km by 5 km plot has a weed count of 250 weeds. What would the population density be for the exact same plot six months later
Rasek [7]

So 200/25 is equal to 8, and because of that, the plot has 8 weeds per square kilometer.

6 0
3 years ago
Which hormone is the necessary trigger for ovulation to occur?
timama [110]

Answer:Luteinizing Hormone

Explanation:Luteinizing Hormone (LH) is a gonadotropin synthesized and secreted by the anterior pituitary gland in response to GnRH. Like FSH, LH is involved in reproductive processes in both males and females. When follicle maturation is complete, an LH surge triggers ovulation.

6 0
3 years ago
16 - Albinism: Prom Genotype to Phenotype
Mrac [35]

A correct flow chart is DNA i.e., gene (transcription) >> mRNA + tRNAs (translation) >> amino acids or protein >> phenotype.  It is the flow of the genetic information.

<h3>What is the flow of genetic information?</h3>

The flow of genetic information refers to the molecular process from DNA to the final phenotype (i.e., protein product).

During gene transcription, a particular fragment of DNA called gene is used as a template to generate an mRNA.

Subsequently, the mRNA serves as a template to generate a linear chain of amino acids, i.e., a protein, by a process called translation.

The final protein can be considered as the phenotype (in this case, the albinism trait) because it is the observable feature.

Learn more about genetics here:

brainly.com/question/1480756

6 0
2 years ago
One level of organization of life (i.e., an emergent property) is a collection of similar individual organisms that could interb
IrinaVladis [17]

Answer: Specie

Explanation:

The basic unit of classification of living things is species. species is the smallest unit containing members which have the largest number of features in common and usually interbreed among themselves.

Thus, the group of deer describes a specie since they can interbreed freely and are similar in characteristic features.

6 0
3 years ago
Is the Earth an open, closed, or isolated system? Explain.
Temka [501]

Answer:

Closed Systems. The earth system as a whole is a closed system. ... Virtually no mass is exchanged between the Earth system and the rest of the universe (except for an occasional meteorite). However, energy in the form of solar radiation passes from the Sun, through the atmosphere to the surface.

Explanation:

8 0
3 years ago
Read 2 more answers
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