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Aleks04 [339]
3 years ago
7

Explain why a plant that does not get enough nitrate has weak growth

Biology
1 answer:
blagie [28]3 years ago
5 0

Answer:

Nitrate deficiency

Explanation:

Plants absorb nitrates in water through their roots. Nitrates are present in high levels in plant fertilisers. Without nitrates, the amount of chlorophyll in leaves reduces. This reduces the plant's ability to photosynthesise and grow properly, which reduces the farmers' crop yield .

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Why are there only 20 amino acids when there are 64 variants of triplets?
Montano1993 [528]

Answer:

The genetic code is degenerate.

Explanation:

The genetic code is degenerate: there are 64 triplets of different codons (sequence of three bases of mRNA that codes for a certain amino acid) and 20 amino acids. That is, an amico acid can be encoded by more than one codon.

6 0
3 years ago
How can gel electrophoresis be used to help illegal poaching of great white sharks?
statuscvo [17]

Explanation:

Gel electrophoresis is one simple and cheap laboratory technique used in profiling. In this case, it can be used to identify Great White Sharks using their proteins or DNA. This way, even if the fish is completely mutilated into the meat, the species can still be identified helping policies to be enforced.

DNA or proteins of a sample of suspected meat is processed and passed through gel electrophoresis. The bands that form are then compared with a standard to check if the bands match. A match indicates that the meat is from a Great White Shark.

8 0
4 years ago
In the cross BB x bb, the percent of offspring in the F1 generation that will have the same genotype as one of their parents is
EleoNora [17]
It would 0%
You have to make the chart to figure this out.
You put BB on the top and bb on the side than multiply.
6 0
3 years ago
Read 2 more answers
After a dye diffuses uniformly throughout a glass of water, the dye molecules are no longer moving. True or false?
Anton [14]
The answer is false, liquid molecules continue to move even after the concentration is uniform.

Diffusion happens because there’s a concentration gradient between the dye and the water, therefore dye molecules moves to the water area. But note that this is only the net movement of the molecules, which means, even if more molecules are moving towards water, there are still some dye molecules that are moving in the opposite direction.

So, after the concentration is equal, the motion of the dye molecules does not stop, they still move in random directions, but there’s no net movement instead, as there’s no concentration gradient. Remember molecules are always moving in all directions , it just depends on whether there’s a net movement or not. If there’s no net movement, the amount of molecules moving to each and every direction is always equal.
8 0
3 years ago
Can someone tell me the answers i need to turn this in asap?
Fudgin [204]

Answer: 1. The population will increase because of the safeness. 2. Some animals might starve or become unhealthy because lack of resource. 3. A lot of animals will eventually die.

Explanation:

Good luck btw!!

3 0
3 years ago
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