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icang [17]
3 years ago
11

Why is a mutated single copy of a tumor-suppressor gene expected to behave as a recessive gene?

Biology
1 answer:
Doss [256]3 years ago
8 0
This is mainly because in order to the tumour suppressor gene to be completely expressed or to no longer be effective in repressing cellular production, both versions, alleles of the gene must be mutated. This is the only way that the rumour suppressor gene to be inactive in its role and behave as a dominant gene.
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Doubling of plasma sodium concentration be a reasonable approximation of plasma osmolality?
harkovskaia [24]
<span>No. The doubling of sodium accounts for the negative ions associated with sodium and the exclusion of potassium approximately allows for the incomplete dissociation of sodium chloride. Osmolarity is the calculation of the osmolar convergence of plasma and is corresponding to the quantity of particles per liter of arrangement; it is communicated as mmol/L. This is what is utilized when a figured esteem is inferred.</span>
4 0
3 years ago
The most important reason to wash, rinse and sanitize a meat slicer or knife is to:
aleksandrvk [35]
The most important reason is that it will reduce the pathogens on the meat slicer or knife which have settled there and it will reduce the risk of getting a viral infection or any other kind of sickness.
For sanitizing one can use simple hot water with at least temperature of 171 F and dip the item into that water for at least half a minute. There are other methods as well to clean the items.
3 0
4 years ago
Read 2 more answers
Which statements concerning the water-soluble vitamins is false: (A) They can be leached out of foods by cooking in water(B) The
eduard

Answer:

Option (C).

Explanation:

Vitamins may be defined as the substance that are required in a in a minute amount in the body. Their deficiency may cause disease in the organism. Two main types of vitamins are water soluble vitamin and fat soluble vitamin.

Water soluble vitamin are the vitamins that are easily dissolved in our body and can easily be excreted from the body through the urine. These vitamins can be easily leaches out from the food. The water soluble vitamin can not be stored in body tissue for the large extent of time.

Thus, the correct answer is option (C).

4 0
4 years ago
As individuals grow and change, the functions and nutrient needs of their bodies also change. This contributes to unique challen
Sliva [168]

Answer:

Unique Challenges that appear during different life stage:

Young Children

1- Food jags are not uncommon during this stage.

7- Frequent meals are necessary due to high activity level and small stomach size.

Adolescents

3- Peer pressure often influences eating and lifestyle behaviors.

4- Body image concerns and disordered eating behaviors may emerge during this period.

5- Females need additional iron to support menstruation.

Older Adults

2- Risk for dehydration increases due to diuretic use, decreased mobility, and less effective thirst mechanisms.

6- Muscle mass and physical activity decline, leading to a decrease in calorie needs.

Explanation:

Young Children are generally persons under the age of 5 years but may include others under 10.

Adolescents are ideally persons between 10 and 19 years, and these may be extended to those under 24 years.

Older Adults include those from 25 and above.

5 0
3 years ago
which of the following distinguished living things from nonliving things? A. living things are made up of cells nonliving things
katovenus [111]
<span>the answer is B. living things</span>
8 0
3 years ago
Read 2 more answers
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