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3 years ago

What is a human egg cell

Biology

2 answers:

Hunter-Best [27]3 years ago

6 0

Answer:

female reproductive cell/ gamete

Explanation:

The egg cell, or ovum: is the female reproductive cell, they are organisms that reproduce sexually with a larger, "female" gamete and a smaller, "male" one

Lady bird [3.3K]3 years ago

5 0

Is the female reproductive cell, or gamete, in most anisogamous organisms (organisms that reproduce sexually with a larger, "female" gamete and a smaller, "male" one). The term is used when the female gamete is not capable of movement (non-motile).

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A student set up an experiment to show that carbon dioxide is consumed by Elodea plants during photosynthesis. She filled two te

bixtya [17]

Answer: The NEGATIVE CONTROl is the test tube that is filled with ONLY distilled water.

Explanation:

A negative control of an experiment is carried out alongside the main primary experiment except that the treatment is changed to something that is predicted to have no result. In the negative control, the student does not expect any response. This would help the student compare the result of a new experiment against an already known existing results.

Analysing the experiment carried out by the student, She filled two test tubes with distilled water and placed a piece of Elodea in one of the tubes, leaving the other without a plant. The other test tube that contains only distilled water is the negative control because she wasn't expecting any result from it. It's also served as a control sample to the primary experiment. This is observed as she blew in each tube to add carbon dioxide, which caused the distilled water to become more acidic. This would help the student know that the that experimental results are valid and to ensure that time is saved.

8 0

3 years ago

Are electromagnetic wave present all the time

NISA [10]

Answer:

Yes, they present everywhere in our environment.

7 0

4 years ago

After a natural disaster such as a hurricane or tornado what will happen in the damaged ecosystem

RUDIKE [14]

After a tornado or a hurricane the local ecosystem will be very damaged, and when the wind stops blowing, or all the water is drained/dried, the ecosystem will start recovering:

The earth will recover
Plants will regrow.
Animals will come back.
The ecosystem will slowly rebuild.

Hope it helped,

BiologiaMagister

3 0

3 years ago

Read 2 more answers

Suppose that b(t)b(t) measures the number of bacteria living in a colony in a petri dish, where bb is measured in thousands and

kotegsom [21]

Answer:

To begin your question is incomplete, since it would be missing as many days as you want to pass to reach a certain number of bacteria ...

But I can explain to you that with what you put if you have the complete question in your notebook:

Bacteria are usually grown in petri dishes, which are glass capsules where you generate a perfect medium (culture) with all the necessary nutrients for them to live, grow and reproduce ... The bacteria we are talking about in this problem says that reproduce with an exponential of 3, this means that if there are 6000 bacteria today, we multiply that value by 3 and we already know how many there will be tomorrow (3x6,000 = 18,000), if we continue with the same analysis, the day after tomorrow there will be many more ... why? Because the account you would have to do is tomorrow's value multiplied by 3, that is, 18,000x3 = 54,000 !!!

Explanation:

It is important to know that growth with exponent 3 will always generate that the bacterial multiplication of each day is by 3, on the other hand, this serves to understand the magnitude with which bacteria populations grow, and with the rapidity that they do. .

So as a summary we would have to:

today you have 6,000 bacteria

tomorrow 18,000 bacteria (6,000x3)

the day after tomorrow 54,000 bacteria (18,000x3) ...

In just 3 days the bacteria reached a number of 54,000, now look in your folder what number of days your teacher asked you and continue with the account!

5 0

3 years ago

Which type of transmission of infection occurs through the mucosal surfaces of the eyes, nose, and mouth?

baherus [9]

needlestick injuries

An infection that occurs through mucosal surfaces of the eyes, nose, or mouth. This type of transmission can take place through needlestick injuries, human bites, cuts, abrasions, or any break in the skin. What type of transmission involves direct or indirect contact with blood and other body fluids.

3 0

3 years ago