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borishaifa [10]
3 years ago
14

Create an acrostic poem using the word ECOSYSTEM

Biology
1 answer:
Varvara68 [4.7K]3 years ago
6 0

Answer:

yuh

Explanation:

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How does the sexual life cycle of the human species introduce genetic variations?
kari74 [83]

Answer:

In humans, genetic variations are caused because humans reproduce by a sexual life cycle which is termed as meiosis. In such a life cycle, the offspring receives half the chromosomes from the mother and half from the father. Crossing over and  random assortment of chromosomes are two phenomenons which occur during meiosis. Due to these two phenomenons, genetic variations are caused.

During crossing over, the exchange of DNA segments between the homologous chromosomes takes place which brings about the genetic variations.

5 0
3 years ago
What does the term
Verizon [17]

Answer:

C

Explanation:

Membranes will allow and inhibit certain ions/molecules. I don't believe it can distinguish whether the molecules are harmful or beneficial!

5 0
2 years ago
Please help with this
Tanya [424]
Test One: All short fur
Phenotype ratio: 4:0
Test Two: three short fur and one long fur
Phenotype ratio: 3:1
Test Three: all long fur
Phenotype ratio: 4:0
Genotypes for fur length dominant
G: FF, and Ff (These are the genotypes for short fur, short fur is a dominant gene.
P: Short fur is dominant
Genotypes and phenotypes for fur length recessive
G: ff
P: Long fur is recessive
If you have a hamster with short fur, the possible genotypes the hamster could have is FF, and Ff
If you have a hamster with long fur, the possible genotype is ff.
5 0
2 years ago
What pathologic change occurs to the kidneys glomeruli as a result of hypertension?
shusha [124]
<span>Interstitial fibrosis and glomeruli tubular atrophy are pathological effects of hypertension on kidneys. This is especially as a result of hyalinization that results in sclerosis to the glomeruli which may ultimately lead to kidney failure if unmanaged. The hyaline accumulate in the nephron tubules resulting in protein in urine. The plaque build up in the kidneys, as a result, causes glomerular ischemia   </span>



6 0
2 years ago
blood flows through an artery that is partially blocked. as the blood moves from the wider region into the narrow region, the bl
snow_tiger [21]

Blood flows through an artery that is partially blocked. as the blood moves from the wider region into the narrow region, alternately increases and then decreases.

<h3>What is the purpose of blood flow in heart?</h3>

The removal of positive charge by electrochemical gradients causes the membrane potential of the cell to shift more strongly in the direction of the equilibrium potential for potassium.

The membrane would become more negative as potassium permeability through the membrane increased. Given that potassium is a positively-charged ion and that the intracellular environment has a net negative charge, enhancing the membrane's permeability would result in a more negative membrane.

For instance, the amplitude of the potassium concentration gradient across the myocyte decreases as the external potassium level rises, lowering the resting membrane potential.

To know more about blood flow in heart you may visit :

brainly.com/question/4220852

#SPJ4

4 0
1 year ago
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