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nydimaria [60]
3 years ago
8

What is an enzyme and how does it work?

Biology
1 answer:
Yuliya22 [10]3 years ago
5 0
All of the work being done in side of a cell is being done by enzymes. A bacterial like E.coli has about 1,000 enzymes floating in the cytoplasm at about any time. The purpose of a enzyme in a cell is to allow the cell to carry out any chemical reactions very quickly. the reactions allow the cell to build or take things apart as needed. This is how the cell grows and reproduces. Hopefully my answer helps a little!
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Describe the changes that take place during the menstrual cycle from Day 5-13 to the following:
erastovalidia [21]

Answer:

Between days 5 and 13 of a woman's menstrual cycle, an unfertilized egg in ovary prepares its development and maturation within the follicle, while the lining of the uterus -the endometrium- progressively enlarges.

Explanation:

Under normal conditions, a woman's menstrual cycle lasts 28 to 30 days, during which time both hormonal and physiological changes occur as part of the reproductive process.

Menstruation occurs as a result of the shedding of the endometrium, which had previously developed to facilitate the implantation of a possible pregnancy. This phase usually lasts five days and is characterized by genital bleeding.

From the fifth to the 13th day, a woman's reproductive system undergoes changes in preparation for possible fertilization and pregnancy:

  • <em>The unfertilized egg</em><em> is found inside the ovarian follicle, maturing before its imminent release, under the influence of follicle-stimulating hormone (FSH). The maturation of a few follicles occurs simultaneously, but only one will reach the necessary maturity to allow the release of the egg. </em>
  • <em>The lining of the uterus</em><em>, called the endometrium, receives signals from the hormone estradiol -produced by the mature ovarian follicle- and induces proliferation and thickening of the endometrium.</em>

Approximately on the 15th day of the menstrual cycle, the egg is released and it is the time when it can be fertilized by a sperm to produce the zygote, which will start a pregnancy in women.

Learn more:

Purpose of the menstrual cycle brainly.com/question/1483249

6 0
3 years ago
After bacteria cells go through bionary fissions are the new cells identical to the parent t cell
Dovator [93]

Answer:Yes

Explanation:

Binary fission is a type of asexual reproduction where a parent cell divides, resulting in two identical cells.

3 0
3 years ago
If cells get to large, they cannot take enough _____ or het rid of enough _________.
svlad2 [7]
Water?? I’m not sure though
6 0
3 years ago
Can coal ever be truly a clean-burning fuel?
svetlana [45]

Answer:

Yes it can

Explanation:

8 0
3 years ago
Nuclear fission provides much of the worlds electric power. Which statement best describes the environmental impact of the radio
densk [106]

The answer is; C

Radioactive waste is dangerous because it continues to decay releasing radioactive elements and harmful electromagnetic radiation  that can destroy genetic material – hence cause cancer. The waste, therefore, has to be stored safety, and avoiding any contamination to the environment, and also for long periods of time until there is enough time for decay into less harmful products.  


3 0
3 years ago
Read 2 more answers
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