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Korvikt [17]
3 years ago
5

Which describes a controlled experiment? A.

Medicine
2 answers:
Darina [25.2K]3 years ago
7 0

Answer:

I would say Option B

Explanation:

A controlled experiment is where you have two or more independent variables, that way you have an experiment to compare results with.

Aleks [24]3 years ago
4 0

Answer:

b

Explanation:

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Each mature sperm cell contains ______ (number) chromosomes. Upon fertilization of the secondary oocyte. It completes meiosis II
butalik [34]

Answer:

The correct answer is - 23 (haploid).

Explanation:

Each mature sperm cell is a gamete that is produced by the meiosis type of cell division. Meiosis is the cell cycle that produces four cycle with the half chromosome in number than that of the parent cell. Humans have 46 chromosomes in but as explained the sperm or the gamete have only of that which is 23.

The same goes for ovum which is form by the meiosis second process from oocyte which is basically the egg cell. Both sperm and the ovum fuse to fertilize.

Thus, the correct answer is - 23 (Haploid)

5 0
3 years ago
Is a term describing a response of your body to a foreign pathogen
earnstyle [38]

Answer:

Infection 

Explanation:

Infection is a term describing a response of your body to a foreign pathogen.

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3 years ago
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Which of the following statements concerning functions of the growth hormone (GH) is correct?
Masteriza [31]

Answer:

abnormal amounts of the growth hormone can lead to developmental issues

Explanation:

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3 years ago
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Complete the passage to describe Einstein’s space-time.
Tanzania [10]

Answer:

location , events

Explanation:

A three dimensional universe is comprised of three measurements, width, breadth, and height.

In a three-dimensional universe, the position of a spacecraft is defined by its  location. In a four-dimensional system, the spacecraft defines a line that represents  events through which the object passes.

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What type of operating system is usually used in personal computers
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Answer:

A GUI based operating system is usually used in personal computers

Explanation:

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