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Bond [772]
3 years ago
10

Viruses only attack certain kinds of cells. In other words, they are specific. This is due to

Biology
1 answer:
Alexus [3.1K]3 years ago
6 0
That is the correct answerrrrrr
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Explain some of the processes involved in a scientific investigation.
Dominik [7]

Answer:

The steps involves making hypothesis, deriving predictions from the logical consequences and then carrying out experiments based on those predictions.

Explanation:

Step 1: make a observation .

Step 2: Formulate a statement or question.

Step 3: Form  the hypothesis .

Step 4: make a prediction based on the hypothesis.

Step 5: test the hypothesis whether its true or not.

Step 6: use the results to conclude the experiment.

8 0
3 years ago
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Explain why the father determines the gender of a child
vaieri [72.5K]
Both men and women have sex chromosomes. Men usually have one X and one Y chromosome, while women have two X's.

When an egg or sperm is made, it only gets one of the sex chromosomes from the parent. This means that women can only make eggs with an X chromosome. But men can make either X or Y sperm.

During fertilization, the sperm cells race toward the mother-to-be's egg cell. If a sperm with a Y beats all others, then the fetus will be XY. The pregnancy will result in a boy.

However, if a sperm with an X wins the race to the egg, then the fetus will be XX. The parents will have a baby girl.

Nearly everyone's chances are around 50% for having a boy and 50% for having a girl. And yet, we all know families that are all boys or all girls.
6 0
3 years ago
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Write a short paragraph to contrast mitosis and meiosis in terms of type of cell produced function in an organism
shepuryov [24]

Answer:

Mitosis is the process of cell division to make more cells, meiosis is the process of sperm and egg cells dividing to make a baby.

Explanation:

8 0
3 years ago
Air goes from the ____ to the ____
horsena [70]
1) nose 2) mouth

(Ignore this)
5 0
3 years ago
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What is required for the production of anterior pituitary gland hormones?
Lapatulllka [165]

Answer:

The correct option is c) hormonal stimuli

Explanation:

The pituitary gland, located in the anterior brain, under the hypothalamus, is formed by two lobes of very different origin. The anterior lobe or adenohypophysis, evolves as an evagination in the upper part of the mouth, from which it separates and grows towards the brain; the posterior lobe or neurohypophysis, is formed from the hypothalamus and joins the anterior lobe. The hypothalamus decides that hormones should release the pituitary by sending hormonal (hormonal stimuli) or electrical messages.

The secretion of hormones from the anterior lobe of the pituitary gland is regulated by hypothalamic stimulation factors, transported through a local blood network, the pituitary portal system. In response to hormonal stimuli of the hypothalamus, the anterior pituitary gland secretes growth hormones, the thyroid stimulating hormone (which affect the secretion of hormones from the adrenal cortex and thyroid gland respectively), the corticotropic hormone stimulates the secretion of hormones from the adrenal cortex: cortisol, which influences blood glucose levels, and aldosterone, which increases sodium retention in the kidneys, among others.

4 0
3 years ago
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