The region of a prokaryotic cell where the bacterial chromosome (dna) is located is the

The surface area of a sphere can be approximated as follows: Surface area = 4πr2; where r is the radius of the sphere; π is a constant that is roughly equal to 3.

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Which of the following is an adaptation to permafrost? a. retention of dead leaves b. dense hairs c. shallow roots d. waxy leaves

What quantity does a pyramid of biomass express?

Cells need to bring in molecules to carry out cellular processes. Often, this requires moving the molecules across the cell membrane against the concentration gradient. How do these molecules get into the cell? A. passive transport by diffusionB.

How many oxygen molecules (O₂) are required each time a molecule of glucose (C₆H₁₂O₆) is completely oxidized to carbon dioxide and water via aerobic respiration,? A) 1 B) 3 C) 6 D) 12 E) 30

Which of the following sentences are correct? (1) for millions of years dinosaurs ruled the earth; they roamed freely over the land and through the oceans.

2. A flower arranger is growing some flowers in a garden. He has seeds for red, and seeds for pink plants. Both colours are found or the same allele as each other. Red is the dominant colour, while pink is recessive.

The size of a maternal (mother) or paternal (father) chromosome dictates which side of the cell equator it will gravitate towards during metaphase I. True False

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