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IgorLugansk [536]
3 years ago
6

What is a direct result of depolarizing the presynaptic membrane of an axon terminal?

Biology
1 answer:
seropon [69]3 years ago
8 0

Answer:

Voltage-gated calcium channels in the membrane open

Explanation:

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All living things contain carbon.which of the following statements is true about carbon atoms?
vfiekz [6]

I. Each carbon atom can form single bonds with up to four other carbon atoms. II. Each carbon atom can form double bonds with up to two other carbon atoms. III. Carbon atoms can join together to form chains or rings. IV. A single molecule of some compounds can contain thousands of carbon atoms.

Answer:

All the given choices

Explanation:

Carbon is a very interesting element which is the backbone of most organic compounds.

Organic compounds are made up of carbon. Carbon forms a wide range of compound due to the following properties;

  • An atom of carbon has 4 valence electrons and can bond with 4 other carbon.
  • Carbon can form single, double and triple covalent bonds.
  • They can join together to form rings or chains.
6 0
3 years ago
What was the scandal committed by the
astraxan [27]

Given what we know, we can confirm that the scandal committed by the Secretary of the Interior who worked under President Taft was that he sold Alaskan coal lands that were supposed to be national parks.

<h3>Why is this important?</h3>

National parks are the way in which the government can preserve lands and protect the conservation of the organisms that inhabit those lands. The selling of these lands marked a major scandal at the time as they were considered shady dealings, shrouded in secrecy, that undermine conservative efforts.

Therefore, we can confirm that the answer is C, as he sold the Alaskan coal lands that were supposed to be protected national parks.

To learn more about national parks visit;

brainly.com/question/2510693?referrer=searchResults

4 0
2 years ago
although a fetus is relatively protected in the mothers womb a number of different toxins can harm the fetus
SCORPION-xisa [38]
Yes ur eight but there r certain products that can heurt the fetus
4 0
2 years ago
Identifying macro molecules pleaseee helppp
Crazy boy [7]

The macromolecule shown here  is an amino acid because of the carbon that bears the amine group and the acid group.

<h3>What is a macromolecule?</h3>

The term macromolecules refers to those molecules that have a large molecular weight. They can mostly be found in biological  systems and play various roles in the body

The macromolecule shown here  is an amino acid because of the carbon that bears the amine group and the acid group. There are four elements present as follows;

  • Carbon - 6
  • Hydrogen - 14
  • Nitrogen - 2
  • Oxygen - 2

Learn more about macromolecules:brainly.com/question/15237842

#SPJ1  

5 0
1 year ago
Helpp me plz it would mean alot
netineya [11]

Answer:

Codon

Explanation:

mRNA bases are grouped into sets of three, called codons.

4 0
2 years ago
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