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Olenka [21]
3 years ago
15

Which of the following statements best describe the importance of carbon in the cells

Biology
1 answer:
AleksAgata [21]3 years ago
8 0
What are the options?

we need options to help
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How are freshwater environments, such as rivers and lakes, being impacted by human activity
Rama09 [41]

Answer:

they are being impacted negativily and this is what they are being impacted by industrial dumping, pesticides, and agricultiural fertilizer can end up in rivers, lakes, streams, etc.  

Explanation:

7 0
3 years ago
In mice, a male and female are mated, both with long ears. All female have long ears but half the males bave short ears and half
rjkz [21]

If you have both parents with long ears and some of the offsprings have short ears, you can say both parents are heterozygous for this. Both have a dominant (long ear), and a recessive allele (short ear).

To prove this, you can draw a Punnett square, and you'll see the probabilities of the offsprings.

8 0
3 years ago
Why is the nucleus command center of the cell
Lerok [7]
It codes for all the processes within the cells and contains the DNA.
5 0
3 years ago
Read 2 more answers
A disease called phenylketonuria causes mental problems, reduces skin pigmentation, and also affects the coloration of urine. Wh
swat32

Answer:

Pleiotropy

Explanation:

Pleiotropy is a genetic condition in which a single gene conditions the expression of multiple phenotype. There are different types of pleiotropy depending on the underlining mechanism

  • <em>gene pleiotropy</em>
  • <em>developmental pleiotropy</em>
  • <em>selectional pleiotropy</em>
  • <em>antagonistic pleiotropy </em>

<em>Phenylketonuria is a disease characterized by increased level of amino acid phenylalanine in the blood. It caused by mutation to the gene responsible for breaking down phenylalanine in the blood. Elevated level of phenylalanine causes other issues such as mental problems, urine coloration and reduction in skin pigmentation. This is a clear case of pleiotropy.</em>

7 0
3 years ago
Overlearning"" in habituation (or below-zero habituation) can occur if __________________. A. several different stimuli are used
katen-ka-za [31]

Answer:

C. habituation trials continue after the response has disappeared.

Explanation:

habituation involves the complete elimination of a particular response (i.e, zero frequency of occurrence). If the stimulus cintinues to be presented for an additional number of trials, then, although no further changes occur, the response will exhibit lower levels of recovery (e.g, spontaneous recovery is reduced) as if the response would have fallen below a zero frequency.

4 0
3 years ago
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