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aalyn [17]
3 years ago
10

Many of the organisms living today have not been identified because they are

Biology
1 answer:
viktelen [127]3 years ago
4 0
Residents of the deep ocean.
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What reaction takes place in the stroma
Vlada [557]
<span>The reaction that takes place in the stroma is collectively known as the Calvin Cycle. The stroma is responsible for the 2nd stage of photosynthesis where ATP and NADPH are used to capture and reduce carbon dioxide in the plant cell.</span>
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It is a fluid-like organelle that surrounds the grana within the chloroplast in plant cells. The stroma is also responsible for storing chloroplast DNA and chloroplast ribosomes where molecular processes like replication and transcription/translation of chloroplast proteins occur.</span>
8 0
3 years ago
Over heating an enzyme results in the enzymes loss of
Gennadij [26K]

Answer:

<em><u>ability to catalyze a reaction </u></em>

Explanation:

<em>Because it causes denaturation of the protein, but no chemical or electrical changes.</em>

3 0
3 years ago
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What is the valve that controls the entrance to the stomach and prevents backflow to the esophagus?
xenn [34]

Answer:

Lower esophageal sphincter

Explanation:

The biological valves are the muscular structures composed of the smooth muscles which form thick tubular structure to allow the controlled movement of any material through it. The valves in the digestive system are known as the sphincters.

The sphincters control the unidirectional movement of the eaten food, chyme and the bolus in the digestive tract.

A sphincter is present at the lower portion of the oesophagus (food pipe) which contracts to prevent the backflow of the food from the stomach and since the sphincter is present at the lower side of the oesophagus, therefore, is known as the lower esophagal sphincter.

Thus, Lower esophageal sphincter is correct.

6 0
3 years ago
A crystal's shape is determined by its organized, repeating atomic structure, called?
ololo11 [35]

Answer:The constituents of a solid can be arranged in two general ways: they can form a regular repeating three-dimensional structure called a crystal lattice, thus producing a crystalline solid, or they can aggregate with no particular order, in which case they form an amorphous solid (from the Greek ámorphos, meaning

Explanation:

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A strand of dna that will pair with AATTCGTAATTGGCTAG
Angelina_Jolie [31]

Answer:

lol what?

Explanation:

A base pair is two chemical bases bonded to one another forming a "rung of the DNA ladder." The DNA molecule consists of two strands that wind around each other like a twisted ladder. Each strand has a backbone made of alternating sugar (deoxyribose) and phosphate groups. Attached to each sugar is one of four bases--adenine (A), cytosine (C), guanine (G), or thymine (T). The two strands are held together by hydrogen bonds between the bases, with adenine forming a base pair with thymine, and cytosine forming a base pair with guanine.

4 0
3 years ago
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