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stealth61 [152]
3 years ago
7

Hey y'all can you help me with a biology question, would really appreciate it :)

Biology
1 answer:
jekas [21]3 years ago
5 0

B. Chitin- its a hard and tough substance that occurs widely in nature, particularly in the shells (exoskeletons) of arthropods such as crabs.

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____________________ can replace a gene in an animal’s genome. a. Recombinant DNA c. A genetic marker b. Messenger RNA d. A plas
Otrada [13]

Answer:

Recombinant DNA can replace a gene in an animal’s genome.

Explanation:

The molecular cloning process involves in creating Recombinant DNA. This DNA is used to replace or replicate any specific gene. This is done by the process of PCR to replicate it directly.

This formation is done in the presence of a vector. This method is used in the field of veterinary office, pharmacy and many more.  It has the ability to replace the gene of an animal’s genome.

7 0
3 years ago
If an organism had 30 chromosomes in its somatic cell, the blood cells of that organism should have
Ludmilka [50]

Answer:

30 chromosomes: the blood cells are somatic cells too

7 0
2 years ago
How many oxygen molecules can one hemoglobin molecule transport?
Zigmanuir [339]

Answer:

four oxygen molecules

Explanation:

The hemoglobin molecule has four binding sites for oxygen molecules: the iron atoms in the four heme groups. Thus, each Hb tetramer can bind four oxygen molecules.

5 0
3 years ago
Studies of monkeys raised with artificial mothers suggest that mother-infant emotional
madreJ [45]

The correct answer is B. Contact comfort

Explanation:

Studies with Rhesus monkeys were carried out by the psychologists Harry Harlow to study psychological and emotional aspects related to maternal separation and isolation. In this experiment, Harlow used baby monkeys and observed their behavior in different situations that included separating the baby and the mother, providing a fake mother, isolating baby monkeys for a long time and allowing baby monkeys to choose between their mother or food. The results of this experiment showed mother-infant emotional bonds were key for the development and socialization of monkeys, this could be explained as mother monkeys provided contact comfort which supported a positive development and prevailed over food or nourishment.

8 0
3 years ago
Between Point A and Point C, where is the steepest part of the hike? How do you know?
Shalnov [3]

Answer:

Going down Burr Hill; the contour lines are close together.

Explanation:

Between Points A and C, the steepest part is going down Burr Hill.

I know that, because the contour lines are so close together.

That means your vertical descent is quite steep compared to the distance you cover horizontally.

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3 years ago
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