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Schach [20]
3 years ago
15

"in a chemical synapse, neurotransmitters are spilled into the synaptic cleft by what action?"

Biology
1 answer:
34kurt3 years ago
3 0
Starting from the triggering action potential, the membrane potential in the neuron will propagate from the dendrites to the cell body then to the axons where synaptic vesicles are located. The action potential will trigger an influx of calcium into the axon then calcium will bind to proteins that will move the synaptic vesicles to the synaptic cleft. The membrane of the synaptic vesicles will eventually join the membrane of the synapse and then the neurotransmitters inside the vesicles will be "spilled" into the synaptic cleft.
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Can someone help me answer these questions!?
Finger [1]

The two groups are Tyrannosaurus Ornithomimus and Tyrannosaurus Coelophysis which are different from one another in shape and body structure.

The word Ornithomimus means ''bird mimic,” because it resembles the bird i.e. they are toothless and had beaklike jaws while on the other hand,  Coelophysis means 'hollow form' and the specie has hollow limb bones that makes Coelophysis is a lightly body dinosaur that make it a fast hunter.

brainly.com/question/24373044

6 0
3 years ago
First identify the gametes. use pink labels to identify the male and female gamete types and white labels to identify the gamete
Lady bird [3.3K]
I found the whole exercise on the internet. Attached is the scheme with labels for the gametes, f2 generation, and respective frequencies.

For the gametes position, on the left pink square on the male gametes side you should put a capital G, <span>and on the right pink square on the male gametes side you should put a small g, as</span> the only two possible offsprings that are showing is "GG" under the left male gamete and "gg" under the right male gamete. On the top pink square on the female gametes side you should put a capital G, and on the bottom pink square on the female gametes side you should put a small g, as the only two possible offsprings that are showing is "GG" on the same line as the top female gamete and "gg" on the same line as the bottom female gamete.
As for the frequencies of the gametes, you should put the white label that marks 1/2 by the side of each gamete.
Related to the F2 generation, the top right and bottom left pink squares should have the label with a capital G and small g - "Gg" which reflects the combination of the male gamete on its line with the female gamete also on its line.
As for the frequencies of the progeny, each of the genotypes formed from the union of the gametes should have by the side the white label that marks 1/4.
The totals would be that GG is 1/4, Gg is 1/2 (1/4+1/4), and gg is also 1/4.

6 0
3 years ago
How do bacteria maintain their internal ph despite the ph of the environment in which they grow?
ipn [44]
The answer to this question would be: by producing buffer

The pH of optimal growth of bacteria might be different. Some bacteria can grow in an acid condition called acidophile, other live in base condition called alkaliphiles and the rest live in neutral pH condition called neutrophiles. The bacteria can maintain their internal pH by producing acid, base or buffer. If the surrounding pH is too acid, the bacteria can reduce the H+ concentration by producing base. If the condition is too alkali/base, the bacteria can produce acid by doing fermentation.
7 0
4 years ago
What is the relationship between an enzyme and the substrates it can bind
liraira [26]

Answer:

Enzymes and substrates bind to each other associating through various interactions, including hydrogen bonds, hydrophobic interactions, and covalent bonds.

7 0
3 years ago
Why do some white blood cells have multi-lobed nuclei? What is the use of multi-lobes? What are they?
Lesechka [4]
White blood cells or WBCs are also known as leukocytes and these are the cells of the immune system. They serve as the soldiers inside our body that fight against infectious diseases and foreign invaders. WBCs are classified into different types. Some of them have multi-lobed nuclei, specifically, the neutrophils. It is the most abundant WBC in the body and they defend against bacterial and fungal infection. They have a multi-lobed nucleus, which consists of three to five lobes connected by slender strands. These multi-lobes are used for phagocytosis. Hope this answer helps.
5 0
3 years ago
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