Homologous chromosomes ________
A) carry genes controlling the same inherited characteristics
B) include only the autosomes
C) are a set of chromosomes that the cell received from one parent
D) carry the same versions of all genes
A
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How does urban sprawl directly or indirectly affect human health?
A. Traffic and congestion during a long commute increases air pollution. B. More time in the car means less time to exercise (i.e. walk or bike). C. Many children now grow up without the experience of roaming through woods and fields; this is known as Nature Deficit Disorder. D. All of the above are correct. E. Urban sprawl has absolutely no effect on human health. No studies have ever been done to examine this.
What is the term for the process that produces RNA from a DNA template?
Which one of the following is the least likely reason that bipedalism evolved in hominoids?
A. requires less energy than walking with all four legs B. allows better surveillance for predators C. frees the hands for carrying food to be shared with others D. increases access to food resources E. frees the hands for tool-making
Which statement regarding DNA packing is false?
A) A nucleosome consists of DNA wound around a protein core of eight histone molecules. B) DNA packing tends to promote gene expression. C) Highly compacted chromatin is generally not expressed at all. D) Prokaryotes have proteins analogous to histones.