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Irina-Kira [14]
2 years ago
10

The preganglionic fibers of the sympathetic nervous division originate in segments ____ of the spinal cord and first enter the _

___ ganglia.
Biology
1 answer:
Bumek [7]2 years ago
8 0

Answer:

T1 to L2 ; Sympathetic Chain

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The hydra is an example of an organism with a simple body plan that uses the same site for both digestion and nutrient distribut
garik1379 [7]

Answer:

Gastrovascular Cavity

Explanation:

Hydra is commonly found in freshwater ponds and ditches as solitary organisms, in underside of aquatic leaves and lily pads in cool,clean freshwater pools and streams. It has a *Cylindrical body shape*.

Hydra possesses an internal body cavity, the *Gastrovascular cavity *,lined by gastrodermis and has a single opening,the mouth,which serves as an anus.

The Gastrovascular cavity of Hydra is a site for *digestion and nutrient distribution*,and also serves as anus.

6 0
3 years ago
After completing meiosis II, human sex cells have a total of _____ chromosomes
vodomira [7]

Ans.

Meiosis involves a type of cell division in sexually reproducing organisms that results in formation of four daughter cells from a single parent cell, having half of the genetic material as in parent cell. Meiosis is divided into meiosis I and meiosis II.

In gamete forming cells of humans are diploid cells and have 23 pairs of chromosomes (or 46 chromosomes). Each gamete forming mother cell undergoes meiotic division to form haploid daughter cells or gametes, each with 23 chromosomes.

Thus, the correct answer is 'twenty-three' as there are 23 chromosomes present in human sex cells at the end of meiosis II.


4 0
3 years ago
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A trait such as having a crooked thumb is produced by a(n)
Alexandra [31]
Gene, as such traits are passed down through genes
8 0
2 years ago
A strand of mRNA has the bases guanine-adenine-uracil. Which amino acid
son4ous [18]

Answer:

c asp

Explanation:

4 0
3 years ago
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What is the gel-like fluid that fills the cell and surrounds the organelles?
vivado [14]

Cytoplasm is the gel-like fluid that fills the cell and surrounds the organelles.

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