BIOLOGY MIDDLE SCHOOL

Which of the following monomers would be used to make the double helix of a DNA molecule?0-
N
Base)
0=P-0— Сн, о
Sugar
0-
н но
Он — N— С– С— ОН
I—0-х
сн, он
с
о
н
н
н
с
НО
н
ОН
с
ОН
с

Answers

Answer 1
Answer:

Answer:

A monomer made up of a nitrogenous base, a five-carbon sugar, and a phosphate group bonded together.
Answer 2
Answer: a nitrogenous base, phosphate group, 5 carbon sugar

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Why would the use of alternative sources of energy be beneficial to the Earth and its people?

Answers

There are several reasons why the use of alternative sources of energy would be beneficial to the Earth and its people, but the main reason is that fossil fuels will run out soon. 
Alternative energy sources would allow for sustainability and less pollution on Earth. If we can use solar, wind, hydroelectric, biofuel, etc., then we can actually have a sustainable form of energy. None of these forms of energy require harm to the environment to tap into, unlike oil which requires drilling, and its not in infinite supply. Traditional power plants use either nuclear or wood-pellet energy. With nuclear, the waste left behind is extremely toxic and requires underground storage, and with wood-pellet, an immense amount of carbon is released into the atmosphere. So basically, alternative energy sources would benefit humans greatly by making our energy sustainable and preserving our climate and environment. 

Put the following levels of organization in order from least inclusive (1) to most inclusive (5).tissue
organism
organ
cell
organ system

Answers

Answer:

Put the following levels of organization in order from least inclusive (1) to most inclusive (5).

cell

tissue

organ

organ system

organism

Explanation:

cell is the basic unit of life, iot forms the basis of every living organism, many cells makes up a tissue while different types of tissues makes an organ and organs of different types makes up an organ system after which all the above mentioned makes an entire living organism

Answer:

✔ 2  tissue

✔ 5  organism

✔ 3  organ

✔ 1  cell

✔ 4  organ system

Explanation:

Water that travels across land may pick up substance and become ....?

Answers


water that travels across land may pick up substance and become contaminates.

 

How do seals reproduce?

Answers

As mammals, they reproduce sexually, they mate, give birth and suckle their young on land. 

A hockey puck moving through the air to the goal type of energy

Answers

Answer:

The type of energy is kinetic energy.

Explanation:

If the object moves with force and gravity, it is kinetic energy.

Answer:

kinetic energy

Explanation:

When NAD+ becomes NADH, it is being

Answers

When NAD+ becomes NADH, it is being reduced.

What is NAD+ and NADH?

NAD+ is a coenzyme that is involved in many metabolic reactions. It is a dinucleotide, meaning that it is made up of two nucleotides. The nucleotides are nicotinamide adenine dinucleotide (NAD) and adenosine diphosphate (ADP).

NAD+ is oxidized when it loses an electron. This leaves the nicotinamide ring with an extra hydrogen atom, which gives NADH its name. NADH is a reduced form of NAD+.

The reduction of NAD+ is a necessary step in many metabolic reactions. For example, NADH is used in glycolysis, the process by which cells break down glucose to produce energy. NADH is also used in the Krebs cycle, the process by which cells break down carbohydrates, proteins, and fats to produce energy.

Find out more on NADH here: brainly.com/question/11538586

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NAD+ accepts a hydrogen ion (H+) and two electrons (2e−), as it becomes reduced to NADH + H+. The NADH moves to the electron transport chain and donates a pair of electrons (becomes oxidized) to the first compound in the chain.

Explanation:
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