In animals how do oxygen and food travel to all the cells of the body

Biology

1 answer:

Sedbober [7]3 years ago

5 0

Oxygen is needed for cellular respiration to release the energy from food molecules. ... Animals have lungs or gills that allow oxygen to enter the animal's cells while plants have small pores called stoma that allow gases to enter and leave their leaves.

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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:

Meiosis is a type of cell division that produces gamete cells, which are sex cells (egg and sperm)

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. <u>It results in new combinations of genes on each chromosome.</u>

After that, during the anaphase of meiosis I, the two chromosomes line up on the equatorial plane of the cell. Then, they are separated and each will go to a new daughter cell. So homologous chromosomes are randomly distributed to daughter cells, <u>this means different chromosomes segregate independently of each other.</u>

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science and scientology are interdependent however science cannot answer all of the society's questions because science has

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The study of how food interacts with genes is known as ____.

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The study of how food interacts with genes is known as Nutritional Genomics, that encompasses nutrigenomics, which explores the effects of nutrients in the genome, proteome and metabolome, as well as nutrigenetics, whose main goal is to elucidate the effect of genetic variations on the interaction between diet and disease.

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Common plant cell oraganelle

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Answer:Most organelles are common to both animal and plant cells. However, plant cells also have features that animal cells do not have: a cell wall, a large central vacuole, and plastids such as chloroplasts. ... Plants make their own food in a process called photosynthesis.

Explanation:

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