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Questions in biology

[Answered] State two ways in which a single-celled organism, such as an amoeba, and a human body are alike.

[Answered] When we look at a leaf, we see the colors of light that are reflected off its surface. How does the relatively low flow of oxygen in green light affect this?

[Answered] Describe the difference between motion and a reference point.

[Answered] What is a series of events that cells go through as they grow and divide?

[Answered] How might a scientist determine whether a trait is sex-linked by observing the offspring of several genetic crosses?

[Answered] How is the expression of sex-linked genes both similar to and different from the expression of autosomal genes?

[Answered] Which of the kingdoms has the smallest number of known species?

[Answered] Explain the statement: "The genetic code is universal."

[Answered] Which cells undergo cell division? a. prokaryotic cells only b. eukaryotic cells only c. cancer cells only d. both prokaryotic and eukaryotic cells

[Answered] A test cross with an organism with a homozygous recessive genotype results in 50% of the offspring exhibiting the recessive trait. What is the genotype of the test-cross parent? I. Homozygous recessive II. Homozygous dominant III. Heterozygous A. I only B. II only C. III only D. I or III E. II or III