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Andrej [43]
3 years ago
12

Which of the following is a macronutrient?

Biology
2 answers:
Alja [10]3 years ago
7 0

Answer: Carbohydrates and Lipids

BigorU [14]3 years ago
3 0
The answer would be all of the above
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What does a culture medium provide to a living cell? A. Food molecules called nutrients B. Oxygen-rich air C. A slab of agar D.
GaryK [48]

Answer:

c

Explanation:

agar is filled  with sugars and basic amino acids that will allow bacterial and fungal agents to rapidly grow and multiply

7 0
3 years ago
What is the name of the enzyme used to make rna nucleotides
Likurg_2 [28]
<h2>RNA Polymerase</h2>

Explanation:

  • RNA polymerase, a chemical in the cell, is  answerable for making mRNA from the  right quality. RNA polymerase is like  DNA polymerase, yet it makes a RNA strand  as opposed to a DNA strand. The promoter region of DNA Helix is attached by  RNA polymerase.
  • It pulls in nucleotides that supplement those  on the DNA strand containing the gene of interest. RNA polymerase duplicates one strand of  DNA to make a stretching bit of singlestranded  mRNA. RNA polymerase makes the  mRNA strand in what is known as the 5' to 3'  course.
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3 years ago
A bald eagle and a black bear both have four limbs with digits because they are both tetrapods, descendants of a four-limbed anc
Lisa [10]

The bald eagle and the black bear are tetrapods, which means that they both have four limbs along with the digits. This shows that they both are the descendants of the four-limbed ancestors. However, the limbs of the bear and the bald eagle have different functions. The forelimbs of both these organisms serves different purpose. Hence, their limbs are homologous organs. The homologous organs are those which have the same ancestry but the functions are different.

7 0
3 years ago
The moon causes the earths Rotation to speed up / slow down which ?
My name is Ann [436]

Answer: slow down

Explanation:As Earth rotates, the Moon's gravity causes the oceans to seem to rise and fall. (The Sun also does this, but not as much.) There is a little bit of friction between the tides and the turning Earth, causing the rotation to slow down just a little. As Earth slows, it lets the Moon creep away.

3 0
3 years ago
Which of the following situations show a biotic factor operating within an ecosystem? SC.912.L.17.7
castortr0y [4]
D. Carnivores that eat other animals

A biotic factor is a living organism that shapes its environment.
5 0
2 years ago
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