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GenaCL600 [577]
3 years ago
6

Many scientists believe that dinosaurs became extinct due to

Biology
1 answer:
Fiesta28 [93]3 years ago
3 0

Answer:

an asteroid impact

Explanation:

The asteroid that formed a crater located on the edge of the Yucatan peninsula thought to be responsible for the mass extinction of dinosaurs.

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Pancreatic cells, which secrete a large amount of digestive enzymes, are labeled with radioactive leucine and then chased for se
Vika [28.1K]

Answer:

Exterior of the cell

Explanation:

Pancreas is a gland found behind the stomach and it secretes digestive enzymes into the duodenum.

Digestive enzymes are proteins hence leucine will form part of the enzymes.

Digestion of food takes approximately three hours. Therefore, if labelled Leucine  is chased down with non radioactive leucine.

Black spots will appear on the exterior of the cells because digestive enzymes are extracellular enzymes .

3 0
3 years ago
What challenges cell biologists face in the 21st century?
Crank

Answer:

There are many types of challenges are faced by the scientists in 21st century. some are as given below:

Explanation:

1. Getting biodiversity. We're losing species at a disturbing rate, and we have to comprehend what the implications of that may be.  

2. sustainable development. Like feasible agriculture, yet more broad sense. Discovering approaches to accommodate human needs while limiting the mischief we cause to the earth is urgent.  

3. Everything about hereditary qualities. It's simply so much fun.  

4. The most effective method to cut across political, social, and social limits and spur enormous and little scope activity to lessen biodiversity loss. This point may have a hefty sociology component, yet it's significant. All the natural and biological information on the planet won't make any difference on the off chance that we can't get individuals to follow up on it.

5 0
3 years ago
Mrs. Jones is exposed to high-energy solar radiation. She develops skin cancer as a result of a mutation in skin cells. A physic
Luda [366]

.c.No. The mutation occurred in skin cells and not the ovaries, where egg cells are generated

4 0
4 years ago
Which one of the following is not an accurate description of chemical reactions
slamgirl [31]
A chemical reaction is irreversible and requires energy.
7 0
3 years ago
Which is colder 0 C or 32 F
kaheart [24]

<em>The answer you are looking for is neither 0c=32f here's why,</em>

<em></em>

<em>The ratio is 1: 33.8 which means at zero it would be 32f </em>

<em>What is 0 Celsius equal to in Fahrenheit? </em>

<em>32°F </em>

<em>Celsius to Fahrenheit Conversion Chart </em>

<em>Celsius Fahrenheit </em>

<em>0°C 32°F </em>

<em>10°C 50°F </em>

<em>20°C 68°F </em>

<em>30°C 86°F</em>

Hope this helps!

6 0
3 years ago
Read 2 more answers
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