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crimeas [40]
3 years ago
11

Why do scientists accept Darwins theory of evolution instead of Lamarcks theory

Biology
1 answer:
Ahat [919]3 years ago
6 0


darwin's  theory is based on observations and conclusions drawn for them.

it is a causo-mechanical explanation of the origin of the species

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Review where digestive processes of protein occur. select the letter that indicates where protein-digesting enzymes are released
diamong [38]
Pancreas

It is a large gland behind in the stomach that secretes digestive enzymes in the duodenum. Inside the pancreas are Islet of Langerhans. It is considered as an endocrine gland producing various hormones. Pancreas also produce pancreatic enzymes that act as digestive enzyme that assist in digestion and absorption of nutrients in the small intestine. These helps to break macromolecules such as carbohydrates, proteins and fats.


6 0
3 years ago
In C3 plants the conservation of water promotes_______.a. photorespiration. b. a shift to C4.c. photosynthesis.d. the opening of
ankoles [38]

Answer:

A) photorespiration.

Explanation:

Photorespiration is the harmful metabolic process which takes place when the concentration of oxygen in the leaf increases compared to carbon dioxide.

The RUBISCO enzyme which usually binds the carbon dioxide now binds the oxygen and form the phosphoglycolate and 3 phosphoglycerate. The phosphoglycolate is lost through the Calvin cycle as Carbon dioxide molecule. This loss proves harmful to the plants.

The photorespiration occurs when the plant faces high temperature therefore n order to prevent water loss the stomata gets closed. This result in the binding of the oxygen to the RUBISCO and thus photorespiration begins.

Thus, Option-A is correct.

6 0
2 years ago
A farmer in western Minnesota is retiring. He wants to stop farming his 3,000 acres and turn the land into a prairie. He begins
Snowcat [4.5K]
B    b is the right answer

8 0
3 years ago
After you’ve removed a loopful of broth culture from the culture tube, what’s your next step in preparing a smear?.
Vera_Pavlovna [14]

Given what we know, after you’ve removed a loopful of broth culture from the culture tube you should immediately apply a flame to the open end of the test tube.

<h3>Why would this be the next step?</h3>

Once you have removed the loopful of broth culture from the tube, you should apply a flame to the end of the tube, this is of vital importance. The reason for this is to deny any other contaminants from entering or exiting the culture sample.

Therefore, we can confirm that after you’ve removed a loopful of broth culture from the culture tube you should immediately apply a flame to the open end of the test tube.

To learn more about culture tubes visit:

brainly.com/question/5228823?referrer=searchResults

5 0
2 years ago
Where are the strongest jet streams located ?
mojhsa [17]

they are strongest between latitudes of 30°N and 60°N. but they move every year, "following the sun".

4 0
3 years ago
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