Which geological process directly forms beaches on the shore of a bay?

Biology

1 answer:

Andrew [12]3 years ago

3 0

Answer:

erosion, transportation, and deposition.

Explanation:

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A scientist at the polar ice cap was studying an ice sample from hundreds of meters below the surface. While examining the ice,

emmainna [20.7K]

Answer:

The correct option is C) Plants

Explanation:

Option A is false because the cell cannot be an animal cell. This is because an animal cell does not possess a cell wall.

Option B is false because the cell cannot be a bacterial cell. This is because a bacterial cell does not have a nucleus. Their genetic material is dispersed inside the cytoplasm.

Option C is correct because all the organelles, a cytoskeleton, mitochondrion, nucleus, cell wall, and ribosomes, are present inside the plant cells.

6 0

3 years ago

Which statement provides a possible explanation for the growth

Shtirlitz [24]

Answer:

3) Uncontrolled cell division occurred as a result of gene mutations

Explanation:

Spontaneous modifications within the genome may occur during the process of cell division. When copies of the DNA inside the cell are made, these mutations cause errors; and can include small single nucleotide polymorphisms, and large scale additions or deletions across multiple genes.

Some, like somatic mutations, exist only inside vegetative (body) cells, that cannot be passed onto offspring. This is caused by several factors like

UV radiation,
chemical mutagens,
infective agents

UV radiation damages strands of DNA, by causing dimers to form; here, consecutive nucleotide bases covalently bond instead of those on the complementary strand. This conformational change causes errors in DNA proofreading and repair mechanisms where bases are not well-incorporated into the strand- tumors (clumps of uncontrolled cell growth) may form, resulting in melanoma, a type of skin cancer.