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agasfer [191]
3 years ago
14

Immediately after an action potential has peaked, which of the following channels will open?

Biology
1 answer:
valentina_108 [34]3 years ago
3 0
C) voltage gated sodium channels

have a great day!
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A scientist wants to increase the chance of pregnancy in mice. He gives the mice a hormone that causes them to produce more game
joja [24]

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C. Meiosis since it produces haploid cellsneeded for reproduction.

5 0
3 years ago
Scientists often perform repeated investigations. What is the main reason for this.
VLD [36.1K]
That way they can get the average result and they're usually more accurate.
4 0
3 years ago
Consumers are organisms that
Verizon [17]
A. Consumers cannot produce their own food source so they have to eat other animals.

C. Rhizobia bacteria "prepare" the atmospheric nitrogen and make it useful for the plant.


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4 0
3 years ago
Drosophila melanogaster (select all that apply): Group of answer choices Have the significant disadvantage of a multiple-month l
vovikov84 [41]

Answer:

Contains large polytene chromosome that permit visual inspection of genomic events.

Were used to study the genetic effects of mutations.

Were used to establish the concept of chromosomal inheritance.

Explanation:

<em>Drosophila melanogaster </em>is a model organism that is used by scientists to study the genes and effect of a mutation on the genes. Drosophila is used as a model organism as it has a very short life cycle and the offspring can be produced in a short duration of time.

Because of these characteristics, Thomas Hunt Morgan wanted to study the factors of inheritance on the <em>Drosophila</em> and concluded in the form of the chromosomal theory of inheritance by the effect of mutation on genes that lead to linkage mapping.

Also, the salivary gland of fruit fly contains the polytene chromosome which allows us to look into the gene events.

Thus, the selected options are correct.

8 0
3 years ago
Please Help Me ASAP!!
Zigmanuir [339]

Answer:

Evidence of metamorphism can be indicated by <u>flat, horizontal</u> layers within the rock.

Explanation:

Metamorphic rocks refer to rocks that are modified with heat or pressure, which change their physical and chemical properties. The main reason behind this modification is the rearrangement of the mineral crystals, which occurs due to their response to the previously-mentioned properties of heat and pressure.

There could be different types of evidence of metamorphism. However, the main evidence can be indicated by the presence of <u>flat, horizontal</u> layers within the rock, also known as foliation, a process that occurs when the pressure squeezes the minerals, leading to a flat, horizontal layer. Then, scientists could analyze the composition of these layers to identify minerals or even fossils within it.

6 0
3 years ago
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