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kenny6666 [7]
3 years ago
7

21. What does “opt out” mean with regards to Europe’s organ donation policy?

Biology
2 answers:
devlian [24]3 years ago
8 0

Answer:

A I THINK

Explanation:

DJJFFJD BECAISE I KNOW

Tcecarenko [31]3 years ago
3 0

Answer:

I think the answer would be A

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Describe chlorophyll a and tell its function.
sleet_krkn [62]
<span>Chlorophyll is any of many closely related green pigments found in cyanobacteria and the chloroplasts of algae and plants, and the function of it is that is absorbs energy from light.</span>
6 0
3 years ago
Which of these statements about trophoblast is false?
lukranit [14]

Answer:

The statement C that says ''is derived from the inner cell mass'' is false.

Explanation:

The trophoblast is a structure composed of a set of cells (cytotrophoblast and syncytiotrophoblast), which are shaping the outer layer surrounding a blastocyst, during the earliest stages of embryonic development that mammals pass.

The trophoblast provides nutritive molecules to the developing embryo and facilitates its implantation to the uterine wall due to its ability to erode the tissues of the uterus, that is, it is responsible for making it possible for the embryo to be implanted in the uterine endometrium. Thus, the blast can join the cavity formed by the uterine wall, where it will absorb nutrients from the fluid from the mother.

During the third week, embryonic development includes the development of the trophoblast. At the beginning, the primary villi are formed by the internal cytotrophoblast which is surrounded by the outer layer of syncytiotrophoblast. Then, the cells found in the embryonic mesoderm are directed to the primary villous in the third week of gestation and when it ends, the mesodermal cells begin to be singled out to form blood vessel cells.

7 0
3 years ago
Advances in biotechnology have made it possible for scientists to synthesize human insulin.
Alexeev081 [22]

Answer: a. True

Explanation:

Artificial human insulin is the advancement of the field of biotechnology. It is the product of recombinant DNA technology. The insulin is a hormone which is secreted by the pancreas to maintain the levels of sugar in the blood. But in some people the secretion of insulin can be found to be low or no insulin is produced at all these are affected by the condition called as diabetes. Thus artificial or synthetic insulin was invented to regulate the blood sugar levels. The artificial insulin is produced in the microbes like yeast and bacteria. The human gene encoding for the production of insulin is inserted into the microbial genome which produces the insulin in the microbial structure.

7 0
3 years ago
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____ Have vison as good as that of human? A) birds B)fish C) insects D) flatworms
Virty [35]

Answer:

birds

Explanation:

birds can see their pray in the air at hights of up to 30 feet

7 0
3 years ago
Which of the following is not a step in evaluating the reliability of a website?
xxMikexx [17]

Presented up next are all of the steps that you can take in order to evaluate a website and it’s reliability. Reviewing the URL is used to check the status of a URL. Determining who wrote the information the website contains, searching for reviews of the website can also help.


Answer: D) All of the above are steps in evaluating a website's reliability.


<span>I hope it helps, Regards.</span>

3 0
3 years ago
Read 2 more answers
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