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lutik1710 [3]
3 years ago
9

Chemical messengers used in neuronal communication are referred to as ____. Group of answer choices neuroregulators neuromolecul

es neuromodulators neurotransmitters
Biology
1 answer:
algol133 years ago
3 0

Answer: The answer is neurotransmitters

Explanation:

Neurotransmitters are small diffusible molecules such as acetylcholine, serotonin etc, which communicate nerve impulses across most synapses i.e the junction between two neurons.

They are regarded as chemical messengers because they are chemical substances, and they do aid transmission of nerve impulses for the neuron

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There are 127 offspring from a cross of AaBb x AaBb. If Mendelian ratios are followed, how many offspring would you expect to ha
Rom4ik [11]

Answer:

eight (8)

Explanation:

A phenotypic ratio of 9:3:3:1 is predicted from a cross of AaBb x AaBb (i.e., in a dihybrid cross). In this case, the expected phenotypic ratio is equal to:

A_B_ (9:3:3:1) =71.43 >> 71 both dominant phenotypes

aaB_ (9:3:3:1) = 23.81 >> 24 one dominant phenotype

A_bb (9:3:3:1) = 23.81 >> 24 one dominant phenotype

aabb (9:3:3:1) = 7.93 >> 8 both recessive phenotypes

Expected phenotipic ratio (9:3:3:1) = 71 + 24 + 24 + 8 = 127

5 0
3 years ago
Read 2 more answers
By genetic modification and evolutionary processes, biodiversity is increased and decreased by habitat loss, population reductio
oksano4ka [1.4K]

Answer:

Genetic Modification is a procedure to change the qualities of a plant, creature or miniature life form by moving a bit of DNA from one living being to an alternate living being. This is done through focused expulsion of the ideal qualities from the DNA of one living being and adding them to the next living being. This strategy has for instance been utilized to create growths and microorganisms that produce drugs.

Evolution is the cycle by which current creatures have dropped from old progenitors. Evolution is liable for both the surprising similitude we see over all life and the astonishing variety of that life.

Explanation:

Evolution is change in the heritable qualities of organic populaces over progressive ages. These attributes are the statements of qualities that are given from parent to posterity during generation. Various attributes will in general exist inside some random populace because of transformation, hereditary recombination and different wellsprings of hereditary variety. Evolution happens when transformative cycles, for example, regular choice (counting sexual choice) and hereditary float follow up on this variety, bringing about specific qualities getting more normal or uncommon inside a populace.

It is this cycle of development that has offered ascend to biodiversity at each degree of natural association, including the degrees of species, singular life forms and atoms.

8 0
3 years ago
Which components make up the cardiovascular system?
faust18 [17]

Answer:

heart blood vessels and blood

4 0
3 years ago
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When ice and snow move overland in compacted large quantities, they erode the soil and can change landforms. Which object create
Romashka [77]
I believe the answer is Icebergs
7 0
3 years ago
Which two structures produce energy that cells can use?
SVETLANKA909090 [29]

correct AnswerAnswer:

D- D and A

Explanation:

REAL EXPLANATION

<h3><em>Chloroplasts take energy from the sun ad make it into food by a process called photosynthesis.... it then makes the energy to power the plant..... </em></h3><h3><em>Mitochondrions are called the power house of the cell, powering and letting the cell do its work transporting more energy into the plant....</em></h3>
8 0
3 years ago
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