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Questions in biology

[Homework Help] The female plant structure consisting of the stigma, style, and ovary is called: A. a stamen. B. a sepal. C. a pistil. D. a carpel.

[Homework Help] Red-green colorblindness in humans is a sex-linked trait. If a woman with normal vision, whose father was colorblind, marries a man whose mother was colorblind, what is the probability of their first child being a colorblind girl? (A) 0 percent (B) 12.5 percent (C) 25 percent (D) 50 percent (E) 100 percent

[Homework Help] What is the primary role of the stomach in the human digestive system? A. producing specialized salts that absorb fats B. absorbing water and minerals from undigested food C. using muscle movements and enzymes to break down food D. transferring nutrients from digested food to the bloodstream

[Homework Help] What effect does an alkali have on the pH of an acidic lake?

[Homework Help] Natural selection can be best defined as:

[Homework Help] If a cell is exposed to cyanide, most of the cyanide will be found within which part of the cell?

[Homework Help] Which element acts as a hydrogen acceptor during aerobic respiration? A. hydrogen B. carbon C. oxygen D. nitrogen E. phosphorus

[Homework Help] Genetic Crosses Question: A brown coat is dominant to a white coat in cattle. A farmer has a brown bull. How would you determine whether the bull is a heterozygote for the dominant allele?

[Homework Help] List two factors that might cause an organism to restrict its use of a resource.

[Homework Help] Which of the following categories includes the most distantly related organisms? A. family B. species C. class D. genus E. order