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Elan Coil [88]
3 years ago
11

What are the subunits caalled that make up dna?

Biology
1 answer:
Marat540 [252]3 years ago
8 0
The subunits are the sugar-phosphates and nucleotides (adenine, guanine, cytosine and thymine for DNA, adenine, guanine, cytosine and uracil for RNA). The sugar-phosphate backbone is the out edge of the twisted "ladder" you typically see in drawings of DNA and RNA. It is what holds the molecule together.
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When a car engine burns gasoline, the results of the reaction are similar to when cells burn glucose. Both reactions release car
NikAS [45]

Answer:

True

Explanation:

A car is designed to utilize fuel as its source of energy. This fuel contains chemicals, which the engine of the car breaks down via combustion to facilitate its functioning. Kinetic energy is a form of mechanical energy produced as a result of motion. A moving object, individual etc uses kinetic energy to do so.

The fuel (gasoline) being supplied into the car's engine makes the car able to move, hence, we can say that the chemical energy present in the fuel is being converted to kinetic energy (observable in the car on motion) with the release of heat by the engine.

8 0
3 years ago
Who was the first scientist to monitor the movement of the stars and moon?
nalin [4]

Answer:

Aristotle

Explanation:

Aristotle created his own system for mapping the stars first, the others studied and discovered things in different subjects. :)

3 0
3 years ago
Read 2 more answers
if the metabolism of a cell suddenly slowed down so that it was less cellular energy available which role of the cell membrane w
marshall27 [118]
The mitochondrion would be affected the most, this scenario is actually called cellular fatige. hope this helps :)
8 0
3 years ago
After eating some yogurt from a container you store it overnight in the refrigerator. A day later you return and find the surfac
GrogVix [38]

Answer: over night it froze the top

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8 0
3 years ago
All of the following are types of passive transport except Group of answer choices facilitated diffusion endocytosis diffusion o
AnnyKZ [126]

Answer:

<u><em>Endocytosis</em></u>

Explanation:

Facilitated diffusion just means that a channel/carrier protein facilitates the transport of the molecule. It goes along the concentration gradient.

Diffusion is simple passive transport/simple diffusion. Only small nonpolar molecules can do this.

<u><em>Endocytosis is a type of bulk transport. It is when macromolecules are brought into the cell. This is a type of active transport because it requires energy to do.</em></u>

Osmosis is specifically used for water, and water is a small, nonpolar molecule. In a phospholipid bilayer/cell membrane, aquaporins (a protein) are used to facilitate transport across the membrane. Fun fact: Reverse osmosis is used to desalinate salt water. They basically push water through a man-made membrane that will only allow water to pass through.

Overall, passive transport is along the concentration gradient, while active is against it (going along the concentration gradient means if there is more of one molecule on one side of a membrane than the other, the molecule on the higher side will go towards the lower side)

I learned this in respect to a phospholipid bilayer. If you need a further explanation on any of this lmk.

8 0
4 years ago
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