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Keith_Richards [23]
3 years ago
13

What’s the difference between an endoskeleton and an exoskeleton

Biology
1 answer:
777dan777 [17]3 years ago
4 0
Endoskeleton is the internal support of the structure of an organism. an exoskeleton is the external support 
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Match the following. 1. an act of fertilization involving the transfer of cell contents to another cell; usually occurs in simpl
Nuetrik [128]

Answer:

1. Conjugation

2. Diploid

3. External fertilization

4. Fertilization

5. Haploid

Explanation:

Conjugation is a cell-to-cell encounter between bacteria cells. The bacteria come close to each other and DNA is then transferred through a tube-;ike structure called pilius.

The difference between diploid and haploid is that diploid organisms have chromosomes that come in pairs. The chromosomes are paired up with another chromosome that is similar in shape and size and that is why they are called homologous pairs. Haploid on the other hand do not come in pairs. In human beings for example, the egg cell and sperm cell are haploid, only having one homologous chromosome. When they join together during fertlization, they form a diploid.

Fertilization is the union of gamete cells, male and female, which result in the formation of a zygote. There are two types of fertilization, internal and external. Internal fertilization occurs when the union of the sex cells (gametes) occur inside the organism. You would see this in humans, where fertilization occurs in the womb. External fertilization occurs when the union occurs outside the organism and a good example of this would be fish. The female expels it's eggs into the water and the male would release its own sex cells as well, and they would join in the water.

7 0
3 years ago
Tascha is on a medication that increases the pH of the stomach and makes it alkaline. What is the effect of this medication?
Alexxx [7]

These medicines are called antisecretory because they work by blocking the acid secretion of the stomach.

This is the case of the H2 antihistamine (such as Cimetidine) which has a rapid action (approximately 1 hour) but longer than an antacid.

When symptoms are frequent, occurring more than once a week, proton pump inhibitors (PPIs) (such as Omeprazole), antisecretory agents of potent and prolonged action (at least 24 hours), constitute the treatment of choice.

7 0
3 years ago
Read 2 more answers
Which of the following is one of the most abundant elements in all living things?
eduard

Haya~!

For life on Earth, Carbon is essential for life to exist.

Explanation: I took the test

Hope this Hellps!

3 0
3 years ago
What is the primary geologic process occurring along the sam andreas fault?
Aliun [14]
<span>transform movement (2) spreading movement (3) subduction (4) convergence .</span>
8 0
3 years ago
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Were the germans the first to send up a satellite into space?
evablogger [386]
No, it was the Soviet Union that launched the first satellite, "Sputnik".
4 0
3 years ago
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