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sveta [45]
3 years ago
7

Assuming no errors, how many chromosomes would be present in an egg cell?

Biology
1 answer:
olga nikolaevna [1]3 years ago
7 0

Answer: 23

Explanation:

Normal cells have 46, and sex cells have half of a normal cell. The sperm would contain the other half.

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Insects obtain oxygen through __________________________, which are small abdominal holes that lead into tracheal tubes called t
Elanso [62]
<span>Oxygen travels to insect tissues through tiny openings in the body walls called spiracles, and then through tiny blind-ended, air-filled tubes called tracheae. Therefore, insects obtain oxygen through the spracles, which are small abdominal holes that lead into traecheal tubes called tracheae that branch into smaller tubes called tracheoles. From there, oxygen diffuses into body cells.</span>
6 0
3 years ago
The countercurrent multiplier is a system by which the:______.
inn [45]

Answer: Option A.

nephron loop multiplies the concentration of salts in the interstitial fluid of the kidney medulla.

Explanation:

countercurrent multiplier is a system that utilize energy that create osmotic gradients and enable reabsorption of water thereby increase concentration of urine. The countercurrent multiplier uses electrolyte pumps there by making the nephron loop increase the concentration of salts in the interstitial fluid of the kidney medulla because it allows the nephron to reabsorb alot of water and and increase the concentration of urine for excretion while at the same time using as little energy as possible.

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2 years ago
rank the objects of increasing intrinsic motion as viewed from earth A. earth B. Venus C. the north star
diamong [38]
C) The North Star Is The Answer

5 0
3 years ago
A cell is placed in a hypotonic solution, in relation to the cell, which way is the water going to move
ivanzaharov [21]
The water is going to move from the cell to the solution, making the cell shrink.
8 0
3 years ago
Which of the following organelles is the principal and distinquishing feature of the eukaryotic cell? A. ribosomes B. chloroplas
dsp73

Answer:

E. Nucleus

Explanation:

All living organisms were classified into three major domains viz: Eukarya, Archaea and Bacteria. Eukarya are referred to as EUKARYOTES while the other two domains are collectively referred to as PROKARYOTES.

The major basis of this classification is the presence or absence of a membrane bound NUCLEUS. Eukaryotes are organisms characterized by the possession of a membrane-bound nucleus that houses their genetic material (DNA) while prokaryotes lack a nucleus and hence, their genetic material is found naked in the cytoplasm. Although, prokaryotic cells lack other membrane-bound organnelles like Chloroplast, mitochondria etc. but nucleus is the basis of this classification:

EU meaning TRUE, KARYA meaning NUCLEUS, hence Eukarya means organisms will true nucleus.

3 0
3 years ago
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