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Aleks04 [339]
3 years ago
13

I need help on this.​

Biology
1 answer:
Zanzabum3 years ago
8 0

**see attached pic**

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Which term refers to the microscopic physical gap between the presynaptic and postsynaptic neurons at a chemical synapse
lisabon 2012 [21]

The gap between the presynaptic and postsynaptic neurons at a chemical synapse is the Synaptic cleft.

The neurons are the smallest units of the nervous system. They are equally referred to as the nerve cells.

The presynaptic neurons that receives the fired action potential through its axon terminals.

This leads to release of neurotransmitters found in the synaptic vesicles of the presynaptic neurons.

These neurotransmitter are released into the physical gap between the presynaptic and postsynaptic neurons called the Synaptic cleft.

The neurotransmitters are then received by the postsynaptic neurons.

Therefore, the gap between the presynaptic and postsynaptic neurons at a chemical synapse is the Synaptic cleft.

Learn more here:

brainly.com/question/24261198

8 0
2 years ago
What defines a species' niche? i. abiotic factors ii. biotic factors iii. food web?
Scorpion4ik [409]
The answer is i Abiotic factors
4 0
3 years ago
WILL GIVE BRAINIEST. ( energy in foods is provided by? A.minerals b. macro nutrients c. micro nutrients D. vitamins)
stepladder [879]

Answer:

The answer to your question is: B. marco nutrients

Explanation:

A. minerals                     Minerals are micro nutrients, and the help enzymes  in the metabolism but they do not provide energy the body.

B. macro nutrients         Macro nutrients are composed by proteins, lipids and

                                        carbohydrates;  lipids and carbohydrates are the

                                        main sources of energy.

C. micro nutrients          Micronutrients and vitamins and minerals, they help

                                        the body to acquire energy, but they do not

                                        produce it.

             

D. vitamins                      vitamins help to maintain a health body but do not

                                         produce energy.

5 0
3 years ago
What are different methods that are currently used to increase food production in agriculture?
Keith_Richards [23]

Answer: Feeding or breeding

Explanation: I am not sure but I think the more you breed the more food production in agriculture that can be increased

4 0
3 years ago
Which of the following describes the embryonic period? the period during which the zygote moves down to the uterus and begins to
muminat

Answer:

Option (2).

Explanation:

Zygote is formed by the fusion of the male and female gamete during the process of sexual reproduction. The zygote undergoes further development inside the female womb.

The embryonic period starts from the third week after the conception. The important organs and structure development occur during the embryonic period. The formation of three germ layers occur in this period.

Thus, the correct answer is option (2)

6 0
3 years ago
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