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2 years ago

The results of experiments conducted by Louis Pasteur showed

Biology

2 answers:

const2013 [10]2 years ago

7 0

Answer:

that all cells come from preexisting cells

Explanation:

Louis Pasteur postulate that all living cells come from preexisting cells. Cells are the basic unit of life. All living things are made up of cells that formed through division of the preexisting cells. The scientist cultured cells in a lab. After few days, the mass of cells had increased greatly.

forsale [732]2 years ago

6 0

Answer: A) that all cells come from preexisting cells

Explanation: Apex

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Question 1 (1 point)

maxonik [38]

Answer:

1) xlyem

2) flat and close to the ground

3) roots

4) they have true roots, stems, and leaves

5) water moves from cell to cell

6) produces pollen

Explanation:

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Juli2301 [7.4K]

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1 year ago

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Why do we sometimes talk in our sleep?( ꈍᴗꈍ)

krok68 [10]

Answer:

Sleep talking usually occurs by itself and is most often harmless. However, in some cases, it might be a sign of a more serious sleep disorder or health condition. REM sleep behavior disorder (RBD) and sleep terrors are two types of sleep disorders that cause some people to shout during sleep

Explanation:

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3 years ago

5. Students in a science class want to design an investigation to determine if a fertilizer added to soil affects the height of

Afina-wow [57]

A is the answer. You would need soil with different amounts- including no amount- to determine how the fertilizer affects the plants
Since you are measuring the height a ruler would be a good idea as well.

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2 years ago

An mRNA sequence reads: GAA/GCU/AUA/CUA/UGU. What would the effect on the amino acid be if the second codon read GCA instead, an

Murrr4er [49]

Answer:

D) Silent mutation on second codon, third amino acid changed from ILE to ASN.

Explanation:

Silent mutations are usually point mutation where you change one nucleotide. Since, the nucleotide changed is the third position, it does not affect the protein being manufactured (it will still put the amino acid Ala) [look up the codon redundancy on youtub.e to understand how awesome nature is!]

On the other hand, the other mutation introduced is Missense mutation where a different Amino acid is added due to change in codon (goes from ILE to ASN).

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2 years ago