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GREYUIT [131]
3 years ago
5

Which molecule is the substrate for salivary amylase?

Biology
1 answer:
Veronika [31]3 years ago
5 0

Answer:

The answer would be D. Starch

Explanation:

Hope this helps. Please mark me brainliest

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What is the key concept of replacement of extinct species?
marshall27 [118]

Answer:

What does being extinct mean? ... Extinction of a particular animal or plant species occurs when there are no more individuals of that species alive anywhere in the world - the species has died out. This is a natural part of evolution. But sometimes extinctions happen at a much faster rate than usual.

Explanation:

4 0
3 years ago
The first trees evolved around 370 mya along a lakeshore at the foot of the caledonian range. how did these trees have a positiv
cupoosta [38]

These first trees had a huge importance for the other plants and for the animals, and this was because:

- they managed to change the structure of the atmosphere by consuming, using, and storing carbon dioxide, and releasing oxygen, which made the atmosphere much more suitable for life.

- they managed to influence the climate, by making it more moist, and also making the ground bellow them cooler.

- they were producing large amounts of biomass, which made the soil types much richer in nutrients, which in turn enabled more and more plants to grow.

- they were a food source of the animals.

4 0
4 years ago
If a specific gene code for a polypeptide is 120 amino acids long, approximately how many nucleotides long is the mRNA that code
Ket [755]

Answer:

360 nucleotides

Explanation:

Each amino acid corresponds to a specific codon, a sequence of three DNA or RNA nucleotides.

If there are 120 amino acids and a sequence of three nucleotides corresponds to one amino acid, then 120 × 3 = 360 nucleotides.

Hope that helps.

8 0
3 years ago
If severe brain loss occurs before age 60, then it is usually due to drug abuse, poor circulation, viruses, and genes, not the r
irinina [24]

Answer:

  • There are a number of diseases and disorders that occurs inside the human body, which are mainly due to the drug abuse, and the resulting affects of the drug abuse like having a less developed circulation system and disorders inside its genetic sequence.These disorders may occur before the age of 60, as there are less chances for the individuals who suffers from such diseases and disorders, as this is connected or are Pathological in nature.
  • Just because the whole situation is been created by the actions of the individuals inside a given time frame, as there are a number of reasons for having a poor blood circulation system inside the human body.Like it can be due to excessive smoking, or over dose of drugs by the person which can also lead to severe brain loss before the age of 60.

5 0
3 years ago
Though consumed by millions of people, mushrooms are related to which infectious agent? A. bacteria B. fungi C. parasites D. vir
klemol [59]

B. fungi becaus thats just how it is

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