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solong [7]
2 years ago
12

PLEASEE HELP ME I AM GIVING AWAY ALL MY POINTS FOR THIS JUST PLEASE ANSWER ALL 4 WITH WORK!!!!!!

Biology
2 answers:
jeyben [28]2 years ago
8 0

Answer:

6, 7,12,18

Explanation:

Ainat [17]2 years ago
6 0
The answer is
6
7
12
8
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The half-life of carbon-14 is 5730 years. Radiocarbon dating can not be used to estimate the age of objects up to about 50,000 o
Nataly [62]

Answer:

False

Explanation:

it can be used to date stuff up to about 50000 years, so i'd say that its halfly false, so false is correct :)

7 0
3 years ago
Which of the following is/are true about rheumatoid arthritis? Select all that apply.
7nadin3 [17]

Answer:

A. Rheumatoid arthritis is characterized by periods of remission and exacerbation

C. Rheumatoid arthritis can cause fatigue and weight loss

Explanation:

8 0
3 years ago
Explain how geographic isolation can cause adaptations.
Temka [501]

Answer:

Change in an organism's environment forces the organism to adapt to fit the new environment, eventually causing it to evolve into a new species. ... Organisms become isolated as a result of environmental change. The cause of isolation can be gradual, like when mountains or deserts form, or continents split apart.

Explanation:

6 0
3 years ago
Suppose that a glutamine residue in the active site of an enzyme was mutated to alanine. As expected, the alanine mutant was ina
likoan [24]

Answer:

A to N

Explanation:

Glutamine is an amino acid with a polar, uncharged side chain. The mutation to alanine, an amino acid with a non-polar side chain, completely affects the enzymatic activity. This makes sense considering the difference in the nature of both amino acids.

To restore the wild-type level of activity the alanine would have to mutate to another polar uncharged amino acid. Among the given options, only Asparagine (N) has a similar chemistry to Glutamine.

7 0
4 years ago
Which question would be most useful in exploring the history of livestock?
kirza4 [7]
I honestly think that a or d would be the best options. I would start with D and if that doesn't work try a.
3 0
3 years ago
Read 2 more answers
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