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Dahasolnce [82]
3 years ago
8

As opposed to external fertilization, internal fertilization ensures that

Biology
1 answer:
Dominik [7]3 years ago
6 0
<span>c. only the fittest of sperm and egg combinations will survive.

</span>As opposed to external fertilization, internal fertilization ensures that

NOT:
a. the number of sperm and eggs produced will be equal.
b. all of the sperm will fertilize eggs.
d. sperm will be protected until they can unite with the eggs.
<span>e. sperm and egg will be released simultaneously.</span>
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Why is salivary amylase active for only an hour or so, whereas lingual lipase isn't active until reaching the stomach
leva [86]

Salivary amylase will be active for only an hour or so because the optimum pH for activity of amylase is about 6.7–7.0 which is available in the mouth but the pH of the stomach is acidic around 1-2 due to which the amylase enzyme becomes inactive in short-time.

The lingual lipase enzyme is present in the saliva but isn't active until reaching the stomach because this enzyme is acid stable and works efficiently in the stomach, not in the mouth.

Amylase enzyme is secreted in the mouth and is responsible for the breakdown of starch in food into sugars and it starts acting as soon as we put food in the mouth whereas Lingual lipase enzyme is secreted along with saliva but it is not active in the mouth rather its activity starts in the stomach which is responsible for the degradation of triacylglycerol molecules.

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1 year ago
The rain forest floor
Paha777 [63]

D I think because the trees block out all the sun

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3 years ago
New ocean crust is formed at?
umka2103 [35]
It is formed at Divergent boundaries, two tectonic plates diverge from one another. New oceanic crust is being formed by hot molten rock slowly cooling and solidifying. The crust is very thin.
4 0
3 years ago
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Glycogen is _____. a polysaccharide found in plant cell walls a polysaccharide found in animals the form in which plants store s
sesenic [268]

Answer:

The correct answer is-a polysaccharide found in animals

Explanation:

Glycogen is a polysaccharide which is a highly branded form of amylopectin. In glycogen glucose residues are joined together by α1-4 glycosidic linkage and α 1-6 branching points occurs after every 8-10 glucose residues.

Glycogen is the main carbohydrate storage form of carbohydrates in animals. Glycogen is mostly present in liver and muscles. It breaks down into glucose and provide energy to the animal during the physical activity. Therefore glycogen is polysaccharide found in animals.

7 0
3 years ago
biogechemical cycles on earth serve on earth serve a variety on different purpose. what do the biogechemical cycles have in comm
madreJ [45]

Answer:

Son procesos naturales que reciclan elementos en diferentes formas químicas desde el medio ambiente hacia los organismos, y luego a la inversa. Agua, carbón, oxígeno, nitrógeno, fósforo y otros elementos recorren estos ciclos, conectando los componentes vivos y no vivos de la Tierra

Explanation:

7 0
3 years ago
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