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RSB [31]
3 years ago
14

The sides of the DNA molecule, the rails of the ladder, are composed of what

Biology
1 answer:
Lynna [10]3 years ago
6 0

Answer:

Phosphates and Sugars.

Explanation:

The strands are nucleotides and are connected by a pattern of phosphates and sugars.

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In which biome would you find the main types of plant life to be grasses and no wood plants
seraphim [82]
I believe the asnwer would be B
3 0
3 years ago
Match the rocks with the material they are made of. igneous rocks /sedimentary rocks /metamorphic rocks
Vlad1618 [11]

The answers would be:

Igneous Rocks - They are made from hot magma.

Sedimentary Rocks - They are made from weathered pieces of rock.

Metamorphic Rocks - They are rocks, small or large which reformed due to high temperature.

If you'd like to know more, read on:

Igneous rocks are formed when hot magma is cooled and then it hardens into a rock. The word igneous comes from the word, "ignis" which means "of fire. They can be formed beneath the Earth or on the surface.

Sedimentary rocks are formed from weathered pieces of rock. These pieces are called <u>sediments</u>. They can also be made out of other material. When these sediments settle, it continues to do so until so much sediment accumulate and they start to press down on each other. The sediments then start to go through compaction and sedimentation which for a sedimentary rock.

Metamorphic rocks form under heat and pressure. They are squeezed and shaped and go through <u>metamorphosis </u>or go through change. A metamorphic rock can be formed from any other type of rock as long as it goes through changes due to intense pressure and/or heat.

6 0
3 years ago
Identify the labeled structures. A B C D E
DerKrebs [107]

Answer:

A is cell wall

B is valcuole

C is mitochondria

A is ribosome

D is nucleus

3 0
3 years ago
What are the 3 most important energy-carrier molecules in a cell? What are their overall jobs?
Simora [160]

Answer:

<em>Three important energy carrier molecules in a cell are: ATP (Adenosine triphosphate, NADPH (Nicotinamide Adenosine Dinucleotide Phosphate) and FADH2. </em>

Explanation:

All the three carrier molecules play an important role in cellular respiration and photosynthesis. One NADH molecule is equal to 3 ATP molecule while 1 FADH2 molecule is equal to 2 ATP molecule.

During the active process, ATP is used as a form of energy because ATP dephosphorylates to ADP and Inorganic phosphate, Pi and release energy.

3 0
3 years ago
Whats a vascule bundle?​
mestny [16]

Answer: A vascular bundle is a part of the transport system in vascular plants. A strand of conducting vessels in the stem or leaves of a plant, typically with phloem on the outside and xylem on the inside.

Hope this helps you!

6 0
2 years ago
Read 2 more answers
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