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Alika [10]
3 years ago
10

Which is a difference between proteins and carbohydrates and fats? Proteins are macromolecules; carbohydrates and fats are not.

Proteins are composed of monomers; carbohydrates and fats are not. Carbohydrates and fats contain carbon, hydrogen, and oxygen; proteins do not. Excess carbohydrates and fats are stored; excess proteins are not
Biology
2 answers:
stiks02 [169]3 years ago
6 0

Answer:

D

Explanation:

Ed2020

aleksley [76]3 years ago
4 0
Excess carbs and fats are stored; excess proteins are not.

Excess calories are transformed as fat when in excess, which includes protein.
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In blue-white screening, what do blue colonies represent?
Basile [38]

Answer:

The correct option is : cells containing empty plasmid vectors

Explanation:

The blue-white screen is a technique which involves the rapid identification of the recombinant bacteria in a vector-based molecular cloning experiment. In this method, a DNA ligated vector is inserted in a host cell which is viable for transformation and grown in presence of X-gal.    

The cells that are transformed with the vectors having the recombinant DNA produce the white colonies. Whereas, the cells transformed with empty vector i.e. the non-recombinant plasmids, produce the blue colonies.

3 0
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If the ozone layer disappeared, life on Earth would be exposed to ____ concentrations of ultraviolet radiation
TiliK225 [7]

Answer: Higher.

Explanation:

It the ozone layer disappeared, life on the earth would be exposed to higher concentration of ultraviolet rays.

These rays are very harmful for the organism present on the earth. Exposure to the higher concentration of ultraviolet rays increases the chances of cancer in the organism.

higher exposure to UV rays can lead to mutation in the cells of the body which can in turn lead to many harmful diseases.

5 0
4 years ago
A rock is bouncing down a mountain. When will its kinetic energy be greatest?
Tanya [424]
C., because it gains kinetic energy until right before it hits.
7 0
3 years ago
Read 2 more answers
Which of the following is the professional responsible for helping to increase the population of an endangered species of bird t
devlian [24]
I think it's B. Not sure but sounds right.
6 0
3 years ago
Calculate the number of cells in a hummingbird, assuming it has a mass of 10-2 kg.
Nikitich [7]

The number of cells in a hummingbird, given the data is 10¹² cells

<h3>How to determine the mass of one cell</h3>

We'll begin by obtained the mass of a cell. This can be obtained as illustrated below:

Mass of 1 cell = 10 × mass of bacterium

But

Mass of bacterium = 10⁻¹⁵ Kg

Thus,

Mass of 1 cell = 10 × 10⁻¹⁵ Kg

Mass of 1 cell = 10⁻¹⁴ Kg

<h3>How to determine the number of cells in the hummingbird</h3>

The number of cells in the hummingbird can be obtain as follow:

  • Mass of 1 cell = 10⁻¹⁴ Kg
  • Mass of hummingbird = 10⁻² Kg
  • Number of cells =?

Number of cells = Mass of hummingbird / mass of 1 cell

Number of cells = 10⁻² / 10⁻¹⁴

Number of cells = 10¹² cells

Thus, the number of cells in the hummingbird is 10¹² cells

Learn more about number of cells:

brainly.com/question/21336646

#SPJ1

Complete question

Calculate the number of cells in a hummingbird assuming the mass of an average cell is ten times the mass of a bacterium. The mass of a hummingbird is of the order of 10⁻² Kg and that of a bacterium is 10⁻¹⁵ Kg

4 0
2 years ago
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