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Harrizon [31]
3 years ago
14

Which of the following statements is true regarding water as a substance? Choose 1 answer: Choose 1 answer:Choose 1 answer:

Biology
1 answer:
Effectus [21]3 years ago
7 0

Answer:

D

Explanation:

It not that appropriate since even concentrared substances have water but based on the current answers it's D

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Which term describes the process by which a single strand of dna serves as a template for the synthesis of an rna molecule?
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This would be transcription.
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1.How would you differentiate your heart rate before and after exercising?
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Your heart rate before exercising would probably be the at rest rate of say about 50-60 beats per minute whereas immediately after exercise it could easily be say 115-130 and depending on age there is an optimum heart rate for each age range which decreases somewhat with age. Timing for a full minute your heart rate is best as it will give the actual count whereas if you just do it for 10 seconds and then multply by 6  it would assume it will be consistent whereas it could decrease during the minute so the actual measured count for a full minute is more accurate.
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What is separated during Anaphase I...Is it chromatids or homologous chromosomes?​
natita [175]

Answer:

Homologous Chromosomes (tetrad)

Explanation:

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5 0
3 years ago
Describe the key chromosome behaviors during mitosis.
SIZIF [17.4K]

Answer:

Explanation:

During mitosis, the chromosomes are distributed equally in the resulting chromosome. The chromosome number was doubled in the S phase of the interphase and the cell is ready for mitosis. The chromosomes are more condensed and twisted in prophase. It is also double in length. During the metaphase, the chromosomes are arranged in the metaphase plate. The microtubules from the centriole attach to the centromere of each chromosome and pull them towards the pole.  

Thus each chromatid pulls apart and migrates towards the poles. The nuclear membrane and nucleus disappear during mitosis. At the end of telophase, the daughter cells contain an equal number of chromatids as in the parent cell.  

Sometimes the microtubules of centrioles do not function properly and fail to pull the chromosomes equally to the cells. Thus one of the daughter cells contains more chromosomes and another fewer chromosomes. This occurs in anaphase. This results in the non-disjunction of chromosomes.  

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The number of chromosomes distributed in the daughter cells results in a normal cell or any genetic disorder. The main function of mitosis to produce daughter cells having an equal number of chromosomes present in the parent cell.

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3 years ago
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