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sweet [91]
3 years ago
5

I NEED HELP WILL GIVE CROWN FOR TWO CORRECT ANSWERED QUESTIONS

Biology
1 answer:
lapo4ka [179]3 years ago
3 0

Answer: 4. H

Explanation:

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Explain what you think would happen to the everglades ecosystem if there were a sudden decrease in the number of crayfish.
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The crayfish food chain would slow down
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How is RNA different from DNA
xz_007 [3.2K]

DNA and RNA have completely different purposes in us. DNA stores and transfers genetic information (Eye and hair colour, skin colour, etc..). RNA codes amino acids and makes proteins. DNA is double stranded while RNA is single stranded. DNA uses adenine, thymine, cytosine, and guanine; while RNA uses adenine, cytosine, uracil, and guanine.
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2 years ago
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In humans, the quadriceps muscle is a skeletal leg muscle under voluntary control. As such, it contracts in response to signals
Masja [62]

Answer:

The correct answer is - operation of reflex arc.

Explanation:

The reflex arc is a unique and special type of neural pathway that starts with a sensory neuron and ends with a motor neuron. In this operation sensory neuron acts as the receptor and motor neuron is effector. This type of neural circuit helps in faster response.

Voluntary muscles like quadriceps muscle are normally in control voluntarily however, such muscle may contract involuntary due to reflex arc. This type of contraction takes place before the signal has even reached the brain.

In this response the sensory neuron takes the signal to the spinal cord and then motor neuron to the effector muscle for faster response.

Thus, the correct answer is - operation of reflex arc.

8 0
3 years ago
What are the possible adulteration and possible deterioration of Curcuma longa (Turmeric) ?​
mojhsa [17]
<h3><u>Turmeric powder can be adulterated in many different ways:</u></h3>
  • Curcuma longa(Turmeric) is a strong base and is used as a domestic product.

<u>The possible adulteration and deterioration of Curcuma longa are as follows</u>:

  • It can be mixed with chalk powder which results in production of small bubbles.
  • When turmeric powder is mixed with water, it produces some streaks of soluble colour in water that is caused as a result of adulteration of lead chromate in turmeric powder.
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Which symbol is used to label a male that expresses a sex-linked disorder on a pedigree?
alexandr1967 [171]

Answer:

A colored in square.

Explanation:

5 0
3 years ago
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