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VladimirAG [237]
3 years ago
13

HELP ASAP WILL GIVE BRAINLIEST Question 24 of 30

Biology
1 answer:
crimeas [40]3 years ago
6 0

Answer: A predatory or parasitic relationship

Explanation:

According to the endosymbiotic theory, the larger prokaryotic cell may have been predating on the smaller prokaryotic cell, before a mutual relationship developed later on. Another hypothesis is that it was probably a parasitic relationship. Over time, the phagocytosed cell survived inside the larger cell and a symbiotic relationship developed over time because it provided an evolutionary advantage.

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The Pacific plate collides with and is subducted under four other crustal plates. The area where this happens has lots of
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Ring of fire

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Arrange the order of events for the internalization of LDL particles into cells:
ElenaW [278]

Answer:

The correct answer is "5-1-3-2-4".

Explanation:

Internalization of LDL particles into cells, is needed to form the intracellular vesicles known as endosomes. The order of events that allow for this process are:

5) LDL receptors migrate to the cell surface and cluster in clathrin-coated pits. Clathrin acts directing the receptors to the cell membrane region where endosomes are formed.

1) A combination of cholesterol and apolipoprotein binds to LDL receptors and becomes internalized as endocytotic vesicles. Once the receptors are in the proper cell membrane region, cholesterol and apolipoprotein are bound and internalized.

3) Several endocytotic vesicles fuse to form an endosome.

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4) The LDL particle is degraded by the lysosome. This takes place after endocytosis, when LDL particles are transported into lysosomes once they are fused, cleaving the cholesterol esters into cholesterol and fatty acids.

6 0
4 years ago
Mendel spent years crossing pure bred pea plants together to observe their phenotypes. One consistent pattern he observed is tha
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D (purple flower plant is dominant)

Explanation:

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This observation made him to propose his LAW OF DOMINANCE, which states that one allele of a gene is capable of masking the expression of another in a heterozygous state. In this case of flower colour gene, the allele for purple color (P) is masking the gene of the white colour (p) in a combined state. Hence, purple allele is said to be DOMINANT over white allele.

He discovered that the white allele was being masked when he performed a dihybrid cross i.e. F1 self cross to derive a plant with white flowers.

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3 years ago
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Svet_ta [14]

Answer:

D) only one of the two alleles for a trait is passed to offspring

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I'm like 99% sure because I know A and B happen in meiosis and a Google search says otherwise about C

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