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Delicious77 [7]
2 years ago
7

What is the first thing to occur in dna replication?

Biology
1 answer:
12345 [234]2 years ago
4 0
The first thing is that the enzyme, DNA helicase
breaks the hydrogen bonds to unzip the double strand of dna for replication to take place
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Whether the effect of a neurotransmitter is excitatory or inhibitory depends on.
Sunny_sXe [5.5K]

Whether the effect of a neurotransmitter is excitatory or inhibitory depends on the receptor it binds to.

<h3>What is Neurotransmitter?</h3>

A neurotransmitter may be defined as the chemical substances present within the synaptic vesicles and transmitting the impulse through synapses.  

Examples of excitatory neurotransmitters are glutamate, norepinephrine, epinephrine, etc. Such neurotransmitters promote the electrical impulse and allow the passage of messages.

Examples of inhibitory neurotransmitters are serotonin, glycine, GABA, etc. Such neurotransmitters inhibit the passage of electrical impulses and block information.

Therefore, it is well described above.

To learn more about Neurotransmitters, refer to the link:

brainly.com/question/26387085

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6 0
2 years ago
Compare the structure of a dicoty and monocot plant?​
Svetach [21]

Answer:

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Explanation:

Monocots differ from dicots in four distinct structural features: leaves, stems, roots and flowers. ... Whereas monocots have one cotyledon (vein), dicots have two. This small difference at the very start of the plant's life cycle leads each plant to develop vast differences.

4 0
2 years ago
PLEASE JUST ANSWER DO NOT ATTACH IMAGE
anzhelika [568]

Answer:

D

Explanation:

Im not exactly for sure on this one, but if i were you, i would choose either A or D . Homeostasis is like the normal for something when they it isnt sick. Its when they are doing good with not really any concerns!

4 0
3 years ago
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The ph of your stomach must be (a)more than 7 (b)basic (c)equal to 7 (d) none of the above
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(d) None of the above

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The pH of your stomach must be highly acidic, because the optimum pH for pepsin, the chief stomach enzyme, is 1.5.

(a) and (b) are wrong, because both conditions are basic.

(c) is wrong, because pH 7 is neutral.

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2 years ago
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Which of the following terms is used to describe several planets orbiting a star?
aliina [53]
Solar system
Planets orbit around the Sun.

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2 years ago
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