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Sati [7]
3 years ago
10

Explain the function of a vacuole in plant cells?

Biology
2 answers:
Alexeev081 [22]3 years ago
7 0

Answer:

A vacuole is used for temporary storage of water, waste products, food, and cellular material. Plants take in large amounts of water and need a place to store the water. Vacuoles are larger in plant cells than animal cells to store the water and other materials needed by the cell.

Explanation:

Edge 2020

GenaCL600 [577]3 years ago
5 0
The central vacuole is a cellular organelle found in plant cells. It is often the largest organelle in the cell. It is surrounded by a membrane and functions to hold materials and wastes. It also functions to maintain the proper pressure within the plant cells to provide structure and support for the growing plant.//////
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Choose the correct sequence of the prokaryotic operon. A) gene, operator, promoter B) promoter, operator, gene C) operator, prom
Harrizon [31]

Answer:

The correct answer is option B, that is, promoter, operator, gene.

Explanation:

In a prokaryote, just in front of the operator, the promoter is located, and just in front of the structural genes, the operator is located. All these in combination give rise to an operon.  

Any gene, which codes for an enzyme or a structural protein is termed as a structural gene, in the lac operon, a structural gene codes for three distinct kinds of enzymes. A short sequence of DNA is situated just in front of the structural gene, which is known as the operator. An operator functions as a switch for transcription, that is, it monitors whether the process of transcription will take place or not.  

Just in front of an operator, a sequence of a promoter is present, and for the transcription and translation of all the structural genes, the RNA polymerase needs to combine first with the promoter. In case, if no transcription is to take place, then the operator allows the repressor to bind with it and prevent the attachment of RNA polymerase with the promoter. Hence, the correct sequence of a prokaryotic operon is a promoter, operator, and gene.  

4 0
2 years ago
The two most abundant elements in the oceans are sodium and chlorine. Together they make a salt, halite. Sodium is dissolved in
antoniya [11.8K]

Answer:

Volcanic gases. (Ans A)

Explanation:

Ocean water is salty because of the presence of dissolved salt. When water contact with a rock it starts weathering processes and this process starts to dissolve the soluble elements such as sodium out of the rock.

In volcanic gases, lots of chlorine ions are present in the atmosphere, these ions easily dissolve with water and produce the large flux of chloride that splashes into the oceans. So, the most common source of chloride ions in ocean waters comes from the volcanic explosions.

4 0
3 years ago
Where to rescue workers get their energy
Papessa [141]
The rescue workers can get energy to the batteries in their equipment during rescue missions by using a generator to convert the kinetic energy to potential energy. Potential energy is then stored in the battery.
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3 years ago
Which of the following plant adaptations protects savanna plants from grazers?
bagirrra123 [75]
<span>Grazers are basically animals that eat plants from the ground so an adaptation to prolong their life would be bitter taste, meaning the answer is D. bitter taste. That is because if animals eat them they see that they are bitter and they don't like it and they don't want to eat them so plants in savannas keep existing this way.</span>
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3 years ago
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What is the define for infection
Contact [7]

Answer:

The process of infecting or the state of being infected

Explanation:

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3 years ago
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