1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
adoni [48]
3 years ago
6

HELP ASAP! 5 questions

Biology
1 answer:
liraira [26]3 years ago
4 0
You are in the tropical rain forest!!
You might be interested in
An action potential causes the release of neurotransmitters by:________.
seraphim [82]

Answer:

b) opening calcium pores in the membrane

Explanation:

The opening of calcium  ions channels facilitates the migration of vesicles containing neurotransmitters in the pre-synaptic neurons  to the tip of the post-synaptic membrane. at the <u>neuromuscular  junction </u>These neurotransmitters can either be <u>cholinergic or non-chorlinergic.</u>   <u>At the tip  of the pre-synaptic membranes the vesicles empty their neurotransmitter contents into the synapse.</u>

The neurotransmitters,  diffuse through the neuromuscular junction to bind  with the receptors on the <u>post-synaptic membrane on the post-synaptic neuron.</u> This  stimulates opening of<u> ligand gated sodium ions,</u> and sodium ions  diffuse into the post-synaptic neuronal membrane, to cause <u>depolarization</u>. if the stimulus is  up to the threshold levels   it  generate action potential.

Therefore , more calcium ions channels opening produces; more diffusion of neurotransmitters;leading to opening of more sodium channels for depolarization; and IPSP or EPSP  generation.

5 0
3 years ago
You observed many sand hill cranes on your walk. Two sand hill cranes flapped their wings and hopped up and down when you walked
Anarel [89]

Answer:

This question lacks options, the options are:

A) symbiosis

B) ecosystem

C) community

D) population

E) biosphere

The answer is D) Population

Explanation:

Living organisms in an ecosystem are usually found in numbers living together in a given area. This is termed POPULATION in ecology. A population refers to the group of living organisms that belongs to the same species living together in the same habitat and have the ability to interbreed i.e. mate and reproduce with one another.

This is the case in this question where many sandhill cranes (large flying birds) were observed in a particular area, which represented their habitat. Asides the group of sandhill cranes living together, they were also observed to be interbreeding. This was evident in the observation of two sandhill cranes hopping up and down around their bright orange baby. This shows that members of the population are capable of mating and reproducing fertile offsprings.

This observation completes what a POPULATION is all about, hence, a population was observed.

5 0
3 years ago
Which is the first type of cell to differentiate? A. neuron B. epithelial cell C. muscle cell D. blood cell
Tasya [4]
A. Neuron The neurons are cells that process and transmits information through electrical and chemical signals. -Sasha
3 0
3 years ago
Read 2 more answers
With exercise during pregnancy, fetal hypoxia would be the result of
user100 [1]

<span>It goes up consistently from 6-8 weeks gestation and to the highest point of maximum of ~150% pre-pregnancy level, around 32-34 weeks. Facilitates maternal/fetal exchange of: respiratory gases, nutrients, and metabolites, and reduces impact of maternal blood loss at delivery. </span><span>

- Red cell mass increases by 20-30%. Smaller than the ~50% increase in plasma volume. Net reduction in hemoglobin occurs.</span>

5 0
3 years ago
Which noncoding RNAs are correctly matched with their function?a. Piwi-associated RNAs (piRNAs) reestablish appropriate methylat
Oduvanchick [21]

Answer:

all 3

Explanation:

3 0
3 years ago
Other questions:
  • The Precambrian consists of the three earliest eons of geologic time.
    15·2 answers
  • Which term is defined as the change in physical state from liquid to gas at the surface of a liquid
    12·1 answer
  • Which two features indicate that a cell is a plant cell and not an animal cell?
    9·2 answers
  • How would a bar magnet orient itself to this planet’s magnetic field
    12·2 answers
  • Which type of symbiotic interaction is described below? is a symbiotic interaction in which one species benefits from the relati
    11·1 answer
  • What are three things scientific name can describe about an organism
    8·1 answer
  • Why only female mosquito is responsible for the transfer of disease?​
    11·1 answer
  • Which structure contains a cell nucleus
    13·1 answer
  • Some familiar products contain some of the same types of atoms. For instance, the chemical formula for baking soda is NaHCO3. Th
    10·2 answers
  • Question is up there<br>(question b) ​
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!