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Jlenok [28]
2 years ago
10

How do enzymes help in cellular respiration?

Biology
1 answer:
S_A_V [24]2 years ago
7 0
They are proteins that act as catalyst. They increase the likelihood of a reaction because the lower the energy that is needed for the reacting to occur. please mark me as brianliest !!!
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Explain how the terms speed velocity and acceleration are related to each other
muminat
Acceleration is a little more complicated. It is defined as the rate of change of the object's velocity over its change in time. ... Or, if the acceleration is negative, it's called deceleration and describes something slowing down. For something to speed up or slow down, it has to have a certain change in velocity
3 0
3 years ago
What is the new peptide chain when the new dna segment is translated for 3'- TACAGGGTGCTACCCACT-5'
kakasveta [241]

Answer:

Methionine- Serine- Histidine- Aspartate- Glycine- stop

Explanation:

Translation, which occurs in the ribosomes, is the second stage of protein synthesis where mRNA transcript is used to synthesize a peptide chain that eventually forms a protein. The mRNA sequence is read in a group of three nucleotide called CODON. Each codon specifies a particular amino acid, which is read and added to the growing peptide chain.

In this question, a DNA sequence reds 3'- TACAGGGTGCTACCCACT-5, the

mRNA sequence from this DNA during transcription will be:

AUG UCC CAC GAU GGG UGA

From this mRNA sequence, the peptide chain that will result following translation is:

Methionine- Serine- Histidine- Aspartate- Glycine- stop

8 0
3 years ago
Neurons in the parasympathetic pathway use which neurotransmitters?
Kay [80]
<h2>Acetylcholine</h2>

Explanation:

  • Acetylcholine is a chemical that is found between the nerve synapses, or gaps, between nerve cells. When activated, it causes the contraction of skeletal muscles and activates glandular functions in the endocrine system. Think of acetylcholine as a mailperson; residents cannot receive their mail until he or she comes and delivers it to the mailbox. Like mailpersons who deliver the mail and move on to the next house, acetylcholine acts quickly and does not hang around. As a result, acetylcholine is rapidly broken down by another chemical substance called cholinesterase.
  • Acetylcholine was the first neurotransmitter scientists discovered, as well as the most abundant neurotransmitter in the body. A neurotransmitter is a chemical that is released by a neuron, or nerve cell, that sends a signal to another neuron across a synapse. The neurotransmitter binds to receptors to affect how the signal is received. The purpose of the neurotransmitter is to either amplify or inhibit the signals sent between the neurons.
  • Acetylcholine plays an important role in the signal of muscle movement, sensation of pain, learning and memory formation, the regulation of the endocrine system and rapid eye movement (REM) sleep cycles.

5 0
3 years ago
How is the gender of an organism determined ?<br> Please help , thank you &lt;3
laila [671]

Answer:

Typically in mammals, the gender of an organism is determined by the sex chromosomes. In the case of humans, this happens to be the X and the Y chromosomes. So as you may recall, if you are XX, you are female. If you are XY, you are male.

6 0
2 years ago
Read 2 more answers
Which statement describes the synapse?
Harlamova29_29 [7]
<h2><u>Answer:-</u></h2>

\pink{\bigstar} \large\underline{\underline{\bf\green{Synapse:-}}}

✯ Synapse is the gap between neurons that ensures that information travels in one direction only.

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

Therefore, the 2nd statement [B] is correct.

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

<h3>\pink{\bigstar} <u>Addit</u><u>ional</u><u> </u><u>Inf</u><u>ormation</u><u>:</u><u>-</u></h3>

A Synapse is a small gap at the end of a neuron that allows a signal to pass from one neuron to the next. Synapses are found where nerve cells connect with other nerve cells. Synapses are the key to the brain's function.

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

The term synapse was first introduced in 1897 by Michael Foster in his "Textbook of Physiology" and derived from the Greek synapsis, meaning "conjunction."

4 0
2 years ago
Read 2 more answers
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