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velikii [3]
3 years ago
11

The process of natural selection occurs when __.

Biology
1 answer:
yan [13]3 years ago
7 0
It is the first one.  I just answered this.
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In an ecosystem which of these is not recycled? <br> Water <br> energy <br> carbon<br> nitrogen
Andreas93 [3]

- Energy

"Matter is recycled, but energy is not. In an ecosystem, matter is represented by the presence of biogeochemical elements such as Hydrogen, Carbon, Nitrogen, Oxygen, Phosphorus and Sulfur."

4 0
3 years ago
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An explanation for the difference in amino acids between lamprey hemoglobin and human hemoglobin is
IrinaVladis [17]

Explanation:the haemoglobin of lamprey is different from that of humans as it consists of characteriatics partly of vertebrates and partly of invertebrates.

It has a molecular weight equal to that of muscle haemoglobin but it is found to be very efficient in oxygen transport.

The haemoglobin in the oxygenated form is monomeric and undergoes association with diamers and Tetramers when they undergo disassociation.

8 0
3 years ago
Compound Light Microscopes
Kay [80]

Answer: The correct option is B.

To increase the visual contrast in the specimen

Explanation:

Compound microscope is a microscope that consist of large lenses to enlarge images. Scientist normally stain specimen before they observed it under compound microscope because it will visualise the specimen and make some component of it to be visualise well. Some metabolic processes can also be differentiated and observed well.

6 0
3 years ago
A lizard lies on a rock to raise its bod temperature. This is called what?
Sliva [168]
Its called “Ectothermy”
3 0
3 years ago
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How do two Monosaccharides bond together to make one disaccharide?
Andrei [34K]

Answer:

Through glycosidic bond.

Explanation:

Disaccharide:

Disaccharide is simple polysaccharide. It is formed when two monosaccharides combine together. The monosaccharides are combine through dehydration reaction as a result glycosidic bond is formed between two monosccharides with removal of water molecule.

The reaction is also called condensation reaction.

There are two types of disaccharides:

Reducing disaccharides

These are hemiacetal and have reactive carbonyl group. They can be oxidized to other products.

Non - reducing disaccharides

These are acetals and can not be easily oxidized like reducing disaccharides.

Glycosidic bond:

It is covalent bond formed between the carbohydrate and another molecule such as monosaccharide.

This bond can be alpha or beta glycosidic bond.

3 0
3 years ago
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