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RSB [31]
3 years ago
14

Genes encode the proteins and tRNAs that are needed to read the genetic code. These tRNAs are specific for an amino acid and fin

d the correct codon in the mRNA using an anticodon that is complementary to that codon. If the anticodon region of a tRNA is mutated, what are some potential consequences for the cell?
Biology
1 answer:
svet-max [94.6K]3 years ago
7 0

Answer:

It could change the DNA code resulting in failures

Explanation:

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A number of marine reptiles and birds have salt glands, which have a remarkable ability to concentrate salt solutions for excret
Lemur [1.5K]

Answer:

A)100mL  B)50mL  C)The second option  D)Hypoosmotic Environment

Explanation:

The average Na concentration in the seas and oceans of the world is around 3,5% which mean that in 100 ml of sea water, there is around 3,5 grams of Na.

The weight of one mol of NaCl is 58,44 grams. For 3,5 grams of NaCl, we get 3,5/58,44 = 0,060 mol of NaCl which is 0,060x1000 = 60 mmol/100ml. According to this and the information given in the question about the secretion of the salt glands', if the average sodium concentration is 600mmol/L, we have 60*10 = 600mmol/L so it would take 100 mililiters of water to excrete.

If the average Na concentration of the salt gland's secretion were 300 mmol/L, only 50 mililiters of water would be needed to excrete the same sodium load.

The second option of secretion is hyperosmotic to seawater because the concentration is higher.

Osmoregulation is the process of balancing the amount of water and salt between the body of the organism and its surrounding environment. For salt glands to be advantageous for osmoregulation, they need to be in a hypoosmotic environment.

I hope this answer helps.

3 0
3 years ago
4) If a dead organism is preserved as a fossil, which body tissues are most likely to survive? Why?
IrinaVladis [17]
The answer is hard tissue.

Usually, hard tissue, such as bones and teeth or exoskeleton is much more preserved than soft tissue (organs, skin, etc.). Fossils become fossils by a process of mineralization. Hard tissues are more mineralized during life than organs. So it is no surprise that hard tissues take part in the process of mineralization and is preserved in fossils, unlike soft tissues.
8 0
3 years ago
What are biological macromolecules and how much energy can they provide
lana66690 [7]
Biological macromolecules are important cellular components, they have a wide array of functions necessary for survival and growth of living organisms. There are four major classes of biological macromolecules
-carbohydrates
-lipids
-proteins
-nucleic acids.
3 0
3 years ago
3 examples of foods that have starch
mr Goodwill [35]

Flour

Cereal

.... Rice? (:

4 0
3 years ago
Read 2 more answers
The viscosity of blood is due more to the presence of __________ than to any other factor.
tresset_1 [31]
Blood cells more then any other factor notice water doesn't have any cells in it and it flows freely and quickly.
8 0
3 years ago
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