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finlep [7]
3 years ago
13

If some can help me with my biology final the whole 25

Biology
2 answers:
klasskru [66]3 years ago
8 0

Answer:

add the answers if you dont know

Explanation:

lisov135 [29]3 years ago
7 0

Answer:

KC is looking at cells in biology class, but he doesn't know where they came from. He sees that the cells under his microscope have cell walls and chloroplasts. Therefore, KC is likely observing cell from:

A leaf that got blown onto the floor.

Plant cells are the only cells w/ chloroplast!

Explanation:

pick me as the brainliest

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How do we know that height in humans is a polygenic trait?
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We know that height in humans is a polygenic trait because it has a lot of variation. The height gene is controlled by at minimum three genes with six different alleles. If all of these alleles are dominant for the tall gene you will be tall if you are dominant for the short gene you will be short if there is no clear dominance between the two genes you will fall somewhere  in the middle. 
4 0
3 years ago
As opposed to external fertilization, internal fertilization ensures that
Vilka [71]
<span>d. only the fittest of sperm and egg combinations will survive.

Others are external fertilization:

</span>a. all of the sperm will fertilize eggs.
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4 0
3 years ago
Which statement is not true? A) Lipids are found in cell membranes. B) Lipids are soluble in organic solvents. C) There are many
alina1380 [7]

Answer:

D.all lipids contain fatty acids.

Explanation:

A.Lipids are fats, like oil, that are insoluble in water. ... The most abundant class of lipid molecule found in cell membranes is the phospholipid. The phospholipid molecule's polar head group contains a phosphate group. It also sports two nonpolar fatty acid chain groups as its tail.

B.The simplest definition is a lipid as any molecule that is insoluble in water and soluble in organic solvents. Most lipids are soluble to some extent in organic solvents such as hexane, ether, chloroform or benzene. They constitute a complex collection organic compounds that include fatty acids, (A,D, E and K).

C.There are two major types of lipids- simple lipids and complex lipids. Simple lipids are esters of fatty acids with various alcohols. For eg., fats and waxes.

D.Not all lipids have fatty acids. The operational definition of a lipid is a biomolecule is that is sufficiently hydrophobic to be more soluble in an organic solvent than in water. The common theme to their structures is a high percentage of hydrocarbon character.

E.Most lipid hormones are steroid hormones, which are usually ketones or alcohols and are insoluble in water. Steroid hormones (ending in '-ol' or '-one') include estradiol, testosterone, aldosterone, and cortisol. ... Amino acid-derived hormones and protein hormones are water-soluble and insoluble in lipids.

7 0
3 years ago
Please help will mark brainliest
Dominik [7]

Explanation:

. Proteins

.Minerals

.Fats

carbohydrates

. proteins

6 0
3 years ago
For average organism, heavy digestion (overnight with an excess of enzyme) of chromatin with micrococcal nuclease would yield a
ASHA 777 [7]

Answer:

150 - 300 bp

Explanation:

Micrococcal nuclease, indistinctly from the time of treatment and in average organisms, will realize the cuts on DNA o RNA zones rich in AT or AU. It is not a specific endonuclease.

Even so, the mean size of the expected fragments will have between 150 bp and 300 bp.

It is very important to run your digestion along with a proper label.

5 0
3 years ago
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