Which number is the Nucleus?
What will be an ideal response?
2
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Average human males are most likely to be attracted to women with a waist to hip ratio of 0.72. Women with this waist to hip ratio are also the most fertile. By being attracted to women with a waist to hip ratio, a male is increasing his chances of having children and thus improve his ____ .
A. longevity B. gene flow C. fitness D. allele frequency
Atoms and molecules are part of which level of organization in the human body
a. Chemical b. Cellular c. Tissue d. Organ
Which of the following statements is true?
a. Bacterial chromosomes are broken into individual segments containing one or more genes, which are then replicated. b. The cell’s circular chromosome is unzipped and the strands separated before the replication process can begin. c. The cell’s circular chromosome begins unzipping and replicating in one direction from the origin to the terminal. d. Replication proceeds in both directions from the origin until both strands are complete chromosome loops.
The extensive infolding of eukaryotic membranes
form structures that allow for a. the concentration of nutrients. b. greater surface area for metabolism. c. the transport of proteins. d. the protection of metabolic machinery. e. all of these.