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enyata [817]
3 years ago
6

Why do you think it is important for a surgical patient to have someone drive him or her home after surgery?

Biology
1 answer:
Bezzdna [24]3 years ago
5 0
They might still be under the influence of medication given to them during the surgery. no one under the influence should drive. it is a safety hazard for them to drive
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What are the basis on which we can classify organisms​
olga nikolaevna [1]

Answer:

it's called taxonomy or binomial nomenclature

the first name is generic (from genus) and begins with a capital letter

the second name is specific (from species) and begins with a small letter

4 0
2 years ago
Describe several ways of explaining the characteristics of minerals
Natalija [7]

there are many ways of explaining the characteristics of mineral

1. mineral are natural

2.mineral are inorganic

3. minerals are solid

4. definite  chemical composition

5. crystalline structure

5 0
3 years ago
A scientist is studying a cell and can clearly see that it has ribosomes and mitochondria. Which statement best describes how th
ruslelena [56]

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The cell is eukaryotic because it contains mitochondria.

nucleus

Explanation:

8 0
3 years ago
A gene on human chromosome 15 is expressed throughout the body. However, in the brain, only the maternal copy of the gene is exp
lord [1]

Answer:

C) Through genomic imprinting, methylation regulates expression of the paternal copy of the gene in the brain.

Explanation:

The pattern of gene expression wherein either paternal or maternal gene is expressed in specific cells while the other one is prevented from expression is known as genomic imprinting.

In the given example, the maternal copy of the gene on chromosome 15 is expressed in brain cells while its paternal copy is not expressed in these cells. Hence, the pattern of expression of this gene is regulated through genome imprinting. One of the mechanism is methylation of cytidine residues of CpG islands of the DNA that are more frequently present within promoters of the genes.

When the cytidine residues of these sequences are methylated into 5-methylcytidine, the transcription factors do not bind to these promoters preventing the expression of these genes.

Hence, methylation of cytidine residue in CpG islands of the promoters of the gene present on chromosome 15 could have silenced its expression in brain cells.

6 0
3 years ago
Where do the reactions for cellular respiration happen in a cell? Why is cellular respiration important?
dolphi86 [110]

Answer:

Oxygen is needed to help the process of turning glucose into ATP. The initial step releases just two molecules of ATP for each glucose. The later steps release much more ATP. Most of the reactions of cellular respiration are carried out in the mitochondria.

Explanation:

7 0
2 years ago
Read 2 more answers
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