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Alona [7]
3 years ago
11

Claim-Evidence- Reasoning (CER) Question: Are humans made of stardust?

Biology
1 answer:
miss Akunina [59]3 years ago
5 0
For decades, science popularizers have said humans are made of stardust, and now, a new survey of 150,000 stars shows just how true the old cliché is: Humans and their galaxy have about 97 percent of the same kind of atoms, and the elements of life appear to be more prevalent toward the galaxy's center, the research found.

The crucial elements for life on Earth, often called the building blocks of life, can be abbreviated as CHNOPS: carbon, hydrogen, nitrogen, oxygen, phosphorus and sulfur. For the first time, astronomers have cataloged the abundance of these elements in a huge sample of stars.
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(2pts) While doing this experiment, it will be important to keep everything on ice. Why is it important to keep everything cold?
mart [117]

Answer:

Temperature is an essential aspect in any experiment as it can affect the various variables of the experiment. It can affect the result and outcomes of an experiment as per the interaction various molecules shows with the temperature.

In molecular biology related experiments that deals with the protein related experiments are also effected by the temperature as enzymatic reactions are slow on low temperature and proteins are also act like enzymes. On high temperature protein may lead to increase in collisions of the molecules of protein and fasten the enzymatic reaction and may lead to degrade the protein.

3 0
3 years ago
Which of these has a warming effect on Earth? O A. More evaporation of water due to warmer temperatures causes low, thick clouds
Phoenix [80]

Answer:

A

Explanation:

Thick clouds can trap lots of heat. This has a warming effect on earth.

4 0
3 years ago
Autotrophic organisms convert energy from the sun into the bonds of glucose but heterotrophic organisms convert energy from gluc
ololo11 [35]

I know it makes ATP but that's a  type of energy is that an ok answer or does it have to be more specific ??/


5 0
3 years ago
Read 2 more answers
How does an enzyme’s active site relate to its substrate?
natita [175]
The active site is complementary to its substrate due to its specific 3D structure. The substrate fits in to one specific active site so an enzyme will only bind to one substrate. They are SPECIFIC. Lock and key theory.
5 0
3 years ago
Lucia has always been what some researchers call a cooperator; that is, someone who gives freely of her time, her money, and so
kondaur [170]

Answer:

The correct answer is - reciprocators.

Explanation:

Most people are normally reciprocators who only cooperates only when they see others doing cooperating. People generally cooperates only if other people do the same or help in in favor of the same thing.

Lucia behavior is the opposite of the reciprocators as Lucia cooperates with others irrespective behavior of the people.

Thus, the correct answer is - reciprocators.

3 0
3 years ago
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