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ExtremeBDS [4]
3 years ago
14

Which of the following are true statements?

Biology
1 answer:
Studentka2010 [4]3 years ago
6 0

Answer:

All of the above

Explanation:

The nucleus constitute DNA-protein complex termed chromatin. Chromatin is simply DNA  double helix entwined around proteins referred to as histones. These appear like beads when  stretched out, and each “bead” (DNA and histone) form the nucleosome. Genes are hereditary materials found on DNA. Chromosomes are composed of closely-packed chromatin, and become clearly visible  under a microscope during mitosis. During this stage the chromosomes have undergone the S Phase of the cell cycle, hence a copy of the DNA has been synthesized by DNA polymerase.

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Where dose mass of a willow tree come from
MA_775_DIABLO [31]

Answer:

So where does the mass come from? The mass of a tree is primarily carbon. The carbon comes from carbon dioxide used during photosynthesis. During photosynthesis, plants convert the sun's energy into chemical energy which is captured within the bonds of carbon molecules built from atmospheric carbon dioxide and water.

Explanation:

Hope it helps! Correct me if I am wrong :>

Im sure about my answer :>

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3 0
3 years ago
Discribe the structure of paramecium​
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Answer:

The widest part of the body is below the middle. The body of a paramecium is asymmetrical. It has a well-defined ventral or oral surface and has a convex aboral or dorsal body surface. Its whole body is covered with a flexible, thin and firm membrane called pellicles.

Explanation:

7 0
3 years ago
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Crick et al found that not all combinations of (+) and (-) frameshift mutations results in suppression and an rII+ phenotype. Wh
GenaCL600 [577]

Answer:

d. Two of the above explanations are correct.

Explanation:

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5 0
4 years ago
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kow [346]

Answer:

grasshopper

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7 0
3 years ago
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How can high levels of saturated fat and cholesterol in the diet affect a person's health?
hoa [83]
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