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den301095 [7]
3 years ago
14

Which statement is true?

Biology
2 answers:
jarptica [38.1K]3 years ago
7 0
If you are doing edginuity. *Fats are a type of lipid*. <Correct Answer>
sukhopar [10]3 years ago
7 0

Answer:

The correct answer would be Fats are a type of lipid.

Fats are sub-types of lipids which are generally made up of fatty acid chains and glycerol. Other types of lipids are phospholipids, glycerophospholipids, sphingolipids, sterol lipids et cetera.

Fatty acids are the long aliphatic chains with carboxylic acid at one end. These chains can be saturated as well as unsaturated.

Glycerol is a polyol compound which is odorless and colorless in nature.

Fatty acid chains are attached to the glycerol with the help of ester bonds.

Most common type of glycerides are triglyceride in which three fatty acid chains are attached to the three OH groups of the glycerol (three chains per molecule).

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Which elements are found in high proportion in earth's crust?
Kazeer [188]
Here's a few: magnesium, oxygen, silicon, phosphate, and aluminum are all found in earth's crust in high proportion. oxygen being the highest proportion of any other element.
 
5 0
3 years ago
The breakdown of food molecules, such as glucose in the absence of oxygen is called?
Olenka [21]

If oxygen is present, then glucose can be broken all the way down into carbon dioxide and water. This process is called aerobic respiration because it requires air (oxygen). In the absence of oxygen, the cell uses a process called anaerobic fermentation. or simply fermentation.

7 0
3 years ago
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A balanced polymorphism (maintenance of multiple genotypes) exists through disruptive selection in seedcracker finches from Came
maks197457 [2]

Answer:

The correct answer is option A. "directional selection".

Explanation:

Directional selection is a type of natural selection at which traits with extreme characteristics are selected over traits with medium characteristics. In this case,  a long-term climatic change resulted in all seeds that are the fountain of food for finch becoming hard. This will result in a directional selection on bill size in the finch population, where large-billed birds will be selected over small and medium-billed birds.

6 0
3 years ago
What is the expected percent change in the DNA content of a typical eukaryotic cell as it progresses through the cell cycle from
Anastasy [175]

The question is incomplete. The complete question is:

Question: What is the expected percent change in the DNA content of a typical eukaryotic cell as it progresses through the cell cycle from the start of the G1 phase to the end of the G2 phase

a. -100%

b. -50%

c. +50%

d. +100%

Answer:

d. +100%

Explanation:

S phase comes between G1 and G2 phases of the interphase of a cell cycle. S phase of interphase includes replication of DNA. The process of DNA replication doubles the amount of DNA present in the cell. The newly synthesized DNA is accommodated in the sister chromatids of chromosomes. Therefore, a cell with 2C DNA in the G1 phase would have 4C DNA at the end of the G2 phase. So, there is a +100% increase in the DNA content of a cell as it proceeds from G1 to the end of the G2 phase.

7 0
2 years ago
Who was the first female biologist​
melisa1 [442]
<h2><em>Merit-Ptah </em></h2>

<em>Ancient history. The involvement of women in the field of medicine has been recorded in several early civilizations. An ancient Egyptian physician, Merit-Ptah ( c. 2700 BC), described in an inscription as "chief physician", is the earliest known female scientist named in the history of science.</em>

4 0
3 years ago
Read 2 more answers
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