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sineoko [7]
3 years ago
15

Why do animals need to take in oxygen?

Biology
1 answer:
Sedbober [7]3 years ago
5 0

Answer:

A) To break down fuel molecules

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Which cell structures are seen in prokaryotic and eukaryotic cells?
WINSTONCH [101]
Prokaryotes and eukaryotes are the two different types of cells.
Eukaryotic cells contain membrane-bound organelles, such as the nucleus, endoplasmic reticulum, mitochondria while prokaryotic cells do not but the ribosome is the only organelle that can be seen in both prokaryotic and eukaryotic cells.
Prokaryotic and eukaryotic ribosomes perform the same functions that is protein synthesis, however, eukaryotic ribosomes are much larger than prokaryotic ones.

Thus, the correct answer is option D
8 0
3 years ago
In what ways does the dragontail butterfly species differ from other species of butterflies?
Soloha48 [4]

Answer:

Lamproptera meges, the green dragontail, is a species of swallowtail butterfly (family Papilionidae) found in parts of South Asia and Southeast Asia. There are ten subspecies. A specimen from Java is the type species of the genus.

\bf \huge \red{F} \bf \pink{O}\bf \purple{L}\bf \blue{L}\bf \green{O}\bf \red{W} \: \bf \pink{x} \bf \purple{I} \bf \blue{t} \bf \green{z} \bf \red{M} \bf \pink{u} \bf \purple{s} \bf \blue{k} \bf \green{x}

6 0
3 years ago
What of the following is ordered from LARGEST to SMALLEST? Select one: a. virus, mitochondrion, hemoglobin, glucose, water molec
choli [55]

Answer:

c. mitochondrion, virus, hemoglobin, glucose, water molecule

Explanation:

The mitochondrion is a membrane which is found in cytoplasm of eukaryotic cells. It is also known as power house of cells. This is largest from virus, hemoglobin, water molecule and glucose.

Virus is second largest and is small infectious agent. It has capability to infect many organisms and living cells. Hemoglobin is protein which is present in red blood cells. Glucose is a type of sugar presence in the blood. Water molecule is composed of hydrogen and oxygen and is smallest among the others.

3 0
3 years ago
Iodine is a yellowish solution. A starch solution is white. A starch solution turns purplish-black in the presence of iodine. If
cupoosta [38]

Answer:

The correct answer will be- the color change will be observed and the solution will turn purplish-black.

Explanation:

Iodine test is performed to test the presence of the carbohydrates mainly starch.

The iodine solution is chemically called potassium iodide which forms a yellow solution. The potassium iodide solution forms a complex with a starch solution which appears a purplish-black color which shows the presence of the carbohydrates.

In the given question, if we add the iodine solution to the beaker after a certain point of time then it will still form a complex with the starch and thus beaker solution will appear darker in color.

6 0
3 years ago
When chromatin is condensed gene expression is likely taking place?
Setler [38]

<span>Gene expression is taking place when chromatin is less condensed. Highly compacted chromatin is not accessible to the enzymes involved in DNA transcription, replication and repair because transcription is being inhibited or inactive. Therefore, looser configuration permits transcription or gene expression to take place. </span>

7 0
4 years ago
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