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trasher [3.6K]
2 years ago
10

What piece of evidence would best indicate that the fossil is human

Biology
1 answer:
Anika [276]2 years ago
3 0

pelvic blades rotated inward

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What is th the purpose of the spiral intestine In a shark
sergeinik [125]
It is twisted to create a greater surface area for digesting and to increase the nutrient absorption.
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3 years ago
During the cell cycle, A. DNA is replicated before mitosis begins. B. DNA is replicated once before mitosis and again before cyt
saw5 [17]

Answer:

The correct answer is A    DNA  is replicated before mitosis begins

Explanation:

DNA replication is one of the most significant event of a cell cycle. .DNA replication occur in the S phase or synthesis phase of the cell cycle.

       DNA is replicated once per cycle to maintain to normal chromosome number in daughter cells.

     DNA is replicated to form two new DNA molecules which are then equally distributed in each daughter cell during the mitosis phase.

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As the bone collar thickens, the ____________ forms, and secondary ossification centers appear in the ____________ .
anyanavicka [17]

Answer:

Medullary cavity, epiphyses

Explanation:

During the thickening of the bone collar, the penetration of Osteoblasts into the decomposing cartilage occurs thereby replacing it with spongy bone giving rise to a primary ossification center.

Osteoclasts then brings abiut the nreak down of the spongy bone to open up the medullary cavity. The cartilage found in the epiphyses then continue to grow increasing the bone's length.

3 0
3 years ago
What is an alpha and beta linkage in sugars?
Elodia [21]

The binding of sugars are called glycosidic bonds. These bonds are covalent bonds which, by definition, surround the anomeric carbon of a monosaccharide. Contrary to popular belief, the glycosidic bond does not necessarily have to be between two monosaccharides, just think about what happens in nucleotides, for example, where ribose establishes a glycosidic bond with the nitrogen base. Of course, it can also involve two monosaccharides, as is the case with bonds in oligosaccharides or polysaccharides, but this is not required to happen.

When a glycosidic bond is established, a water molecule is released and is therefore a condensation reaction. The oxygen atom and one hydrogen are released from the anomeric carbon, while the second hydrogen atom is released from the atom to which the anomeric carbon will bind.

Glycosidic bonds are also called alpha or beta bonds. This nomenclature depends on the configuration of the anomeric carbon involved in the glycosidic bond. That is, if the anomeric carbon is in the alpha configuration, the bond is of the alpha type, if it is in the beta configuration, the bond is of the beta type.

For greater understanding, please note the image below.

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3 years ago
Ribosomes are produced by the ______.
r-ruslan [8.4K]

Answer:

Ribosomes are produced by the nucleus. Specifically, the nucleolus.

Explanation:

3 0
3 years ago
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