In active transport, molecules can be moved against their concentration gradient, what is required for this

Biology

1 answer:

babymother [125]3 years ago

6 0

Answer:

Energy (in the form of ATP)

Explanation:

The main difference between active transport and passive transport is that active transport needs the energy to work. Active transport also moves molecules against the concentration gradient, kinda like a pump. This pump will need energy in the form of adenosine triphosphate (ATP) to keep it working. Adenosine triphosphate will be broken down into adenosine diphosphate (ADP). The energy from the breakdown reaction will be used by the pump.

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Explain how the independent alignment of homologs, and also crossing-over during the first meiotic division, each contribute to

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Answer: Homologous chromosomes are randomly distributed to daughter cells, this means different chromosomes segregate independently of each other. And they exchange segments of DNA during crossing over. This recombination creates genetic diversity because genes from each parent are exchanged.

Explanation:

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Chromosomes that form a pair and are found together are called homologous chromosomes, and they are inherited from each parent. During prophase of meiosis I, the homologous chromosomes exchange segments of DNA in a process called crossing over. This recombination creates genetic diversity because genes from each parent are exchanged. It results in new combinations of genes on each chromosome.

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Arturiano [62]

Hi,

Answer: Same DNA

My work: When scientist refer to this they mean all organism such as plants, humans, and animals have the same DNA or otherwise the same Genectic Code.

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Answer:

1 ; A

2; B

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Explanation:

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