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Vikki [24]
3 years ago
7

Original DNA sequence: T A C G C G T G C A C G A T G C A G T A G T A C mRNA sequence:

Biology
1 answer:
Black_prince [1.1K]3 years ago
4 0

Answer:A U G C G C A C G U G C U A C G U C A U C A U G

Explanation:

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Tissue grafts harvested from a different animal species are known as ________.
STALIN [3.7K]
Xenografts are tissue grafts harvested from a different animal species.
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3 years ago
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
What is the difference between a food web and an interaction web?
Akimi4 [234]

Food web only contains interactions between trophic levels while an interaction web shows both trophic and non-trophic interactions.

7 0
3 years ago
Read 2 more answers
1. The plant life that is characteristic of a biome depends upon:
eimsori [14]

Answer:

D. all of the above​

Explanation:

Biome refers to a large and relatively distinct terrestrial region having similar climatic conditions regardless of where it occurs on Earth. The characteristic climatic conditions (temperature and precipitation being the most important ones) and soil type of each biome type determine the type of plant species found there. Therefore, each biome is characterized by specific flora.  

For example, a desert biome is a temperate or tropical biome characterized by a lack of precipitation, seasonal variations in temperature and poor soil type with low organic matter that limits plant growth. Desert biomes have only the plant species that can survive these harsh conditions.  

5 0
2 years ago
Answer the question above
vazorg [7]

Answer:

F

Explanation:

3 0
3 years ago
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