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Sliva [168]
2 years ago
11

Which of the following is true regarding binary fission?

Biology
1 answer:
dem82 [27]2 years ago
6 0

Answer:

B.) The circular chromosome is replicated

Explanation:

A.) is incorrect because the cell cycle only applies to cells which go through mitosis

B.) is correct because binary fission takes place in bacteria (prokaryotes). These cells have circular DNA which duplicates during binary fission.

C.) and D.) are incorrect because these processes take place during mitosis, a different type of cell replication from binary fission.

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In plant roots, the Casparian strip _ Group of answer choices (A) aids in the uptake of nutrients; (B) provides energy for the a
swat32

Answer:

Option-D

Explanation:

Casparian strips are the strips or band composed of a hydrophobic substance called the suberin which forms the ring-like structure in the endodermis of the vascular plants.

The Casparian strips are present around the vascular bundles in the endodermis to allow the uptake of the selective nutrients as the substance has to pass through the cell membrane before it enters the centre of the root or stele or vascular bundles.

The Casparian strips allow the movement of a substance through symplast mode only, therefore, is ensures the substance to pass through the cell membrane.

Thus, Option-D is correct.

3 0
3 years ago
Much of the energy that the brain expends is used for
ser-zykov [4K]

Answer:

signaling processes

Explanation:

Neurons within the brain are constantly processing and transmitting information. Electrical impulses that pass from one neuron to another consume a lot of energy. So, sending, receiving and processing the signals are the main events of brain energy expenditure. Neurons also use the energy for the maintenance of themselves and the surrounding glial cells.

Glucose is the main energy source in the brain.

6 0
3 years ago
Cual es el proceso que tiene el ADN en las diversas células existentes (procariota y eucariota).
lozanna [386]

Answer: English

A eukaryote contains a well-defined nucleus, whereas in prokaryotes, the chromosome lies in the cytoplasm in an area called the nucleoid. In eukaryotic cells, DNA and RNA synthesis occur in a separate compartment from protein synthesis. In prokaryotic cells, both processes occur together.

Explanation: Espanol (Spanish)

Un eucariota contiene un núcleo bien definido, mientras que en los procariotas, el cromosoma se encuentra en el citoplasma en un área llamada nucleoide. En las células eucariotas, la síntesis de ADN y ARN se produce en un compartimento separado de la síntesis de proteínas. En las células procariotas, ambos procesos ocurren juntos.

4 0
2 years ago
Which of these processes is responsible for generating the mostATP within cellular respiration? ​
slamgirl [31]

Electron transport chain is responsible

7 0
3 years ago
El orden correcto de los niveles de organización desde una célula hasta un organismo es: *
dem82 [27]
If you write in english language maybe i can help you
7 0
2 years ago
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