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Ad libitum [116K]
3 years ago
10

What direct effect do histamines and leukotrienes have on capillaries?

Biology
1 answer:
deff fn [24]3 years ago
5 0
Well, they help to allow the capillary walls to open and become leaky.
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Multicellular organisms can be organized into what other levels?
musickatia [10]
Cells are the fundamental unit of life<span>, grouped through a series of organization. As basic histology explains the primal hierarchy between each organized organism has basic unit called cells. </span>Cells when grouped form tissues, when group of tissues are formed together they make organs, some organisms skip from organs to organs systems to form an existing organism as a whole<span>. Describing how is the cells group </span>is the process of multiplication of cell or the so-called cell division, mitosis.<span> This mechanism of each cell produces another cell that binds together and produces again, repeatedly, to be a larger system called now the tissue as explained earlier. </span>How? Through cell division called, mitosis<span>. Excerpt </span>meiosis –cell division specifically in the sex cells.<span>
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8 0
3 years ago
Let's suppose that two homologous chromosomes pair up but they are misaligned, perhaps because the chromosome contains multiple
yawa3891 [41]

Answer:

It will cause an Aneuplidy , an abnormal number of chromosomes that cause a fail on the chromosomes to separate at meiosis.

Explanation:

Abnormalities in chromosome number are the most obvious chromosomal disorder and are referred to as aneuploidy. It`s a condition in which one or more chromosomes are present in extra copies or are deficient in number, but not a complete set.

The loss of a single chromosome from a diploid genome is called monosomy and the gain of one chromosome is called trisomy, caused by nondisjunction, which occurs when pairs of homologous chromosomes or sister chromatids fail to separate during meiosis.

Misaligned or incomplete synapsis, can cause nondisjunction.

The risk of nondisjunction increases with the age of the parents.

I hope it helps!

3 0
3 years ago
Which carbon-based compounds are essential to living things?
Neporo4naja [7]

Answer:

the answer is the second option.

carbohydrates, lipids, proteins and nucleic acids are biological molecules essential to sustain life in living organisms.

7 0
1 year ago
Read 2 more answers
Would the animal/ cheek cells normally be attached to one another. Explain your answer
MA_775_DIABLO [31]

Answer:hahha a

Explanation:

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Which of the following is NOT a benefit provided by soil?
Alona [7]

Answer:

number 3

Explanation:

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