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kykrilka [37]
2 years ago
5

What is one main reason we need water?

Biology
1 answer:
Softa [21]2 years ago
6 0

Answer:

To Pee And Poop

Explanation:

Water is needed for digestive juices, urine (pee), and poop. And you can bet that water is the main ingredient in perspiration, also called sweat. Besides being an important part of the fluids in your body, water is needed by each cell to work.

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Unlike any animal, people have developed_____
sashaice [31]

Answer:

senses?

Explanation:

unlike any animal, people have developed senses

the rest of the options would not make much sense given the sentence

5 0
3 years ago
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Imagine animal cells had chloroplasts. Chloroplasts allow plant cells to perform photosynthesis. How do you think
Helen [10]

Answer:

it would probably mean that we wouldn't have to eat, or not as much anyway, we aren't outside 24/7 and unlike plants. we move around, so during winter we can't just go dormant nor can we just stand outside. To sum this up, we would probably only have to eat less

Explanation:

3 0
3 years ago
Why can the same trna and rrna molecules be used to synthesize a wide variety of polypeptides
Drupady [299]

Answer: The transcription and translation process allows trna and rrna molecules to be used to synthesize wide variety of polypeptides.

Explanation:

DNA molecule is made up of information for coding proteins. This information is passed on the mRNA during a process known as transcription. Transcription is the first of many steps of DNA based gene expression in which a part of the segment of DNA is copied into RNA (especially mRNA) by the enzyme RNA polymerase.

Both DNA and RNA are nucleic acids, which use base pairs of nucleotides as a complementary language. During the process of transcription, a DNA sequence is read by an RNA polymerase, which gives a complementary, antiparallel RNA strand referred to as a primary transcript.

A large diversity among genes is followed by a large amount of various mRNA molecules. However, the ribosomes consist of rRNA, which is included in the process of translation. Translation is the process whereby ribosomes in the cytoplasm or ER synthesize proteins after the process of transcription of DNA to RNA in the cell's nucleus. The overall process is called gene expression.

The smallest of the three types of RNA is tRNA, which has only 75 to 95 nucleotides and has a role in bringing particular amino acids to the growing polypeptide. It can be concluded that mRNA contribute to the diversity of polypeptide molecules due to the fact that it carries an information about their synthesis.

8 0
3 years ago
A new hormone has been isolated from an organism. Although the structure of the hormone has not yet been determined, the hormone
ad-work [718]

Answer:

A hydrophobic hormone with an intracellular receptor.

Explanation:

Because of their chemical nature, hydrophobic hormones (like steroid or thyroid hormones) can cross the cell membrane and bind to its intracellular receptor forming a hormone-receptor complex. This complex will then bind a specific segment of the DNA and will act a transcription factor.

8 0
3 years ago
What was the first alive molcule on the Earth?​
Natasha_Volkova [10]
Scientists have inferred that helium hydride was this first, primordial molecule. Once cooling began, hydrogen atoms could interact with helium hydride, leading to the creation of molecular hydrogen — the molecule primarily responsible for the formation of the first stars.
8 0
3 years ago
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