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Q1. In the 5-7 million years that hominid lineage has been diverging from its common ancestor with the great apes, dozens of hominid species have arisen, frequently with several species coexisting in time and space. As in recent times as 30,000 years ago, Homo sapiens coexisted with Homo neanderthalensis. Both species had large brains and advanced intellects. The fact that these traits were common to both species is most easily explained by which of the next?
a. species selectionb. uniformitarianismc. sexual selectiond. species selection & uniformitarianisme. species selection, uniformitarianism, & sexual selection
Q2. How might you deterine whether the turbidity in your nutrient broth tube was from a mixture of different microbes or from the growth of only one kind of microbe?
A male and a female are each heterozygous for both cystic fibrosis (CF) and phenylketonuria (PKU). Both conditions are autosomal recessive, and they assort independently.
Certain restriction enzymes produce cohesive (sticky) ends. this means that they a) make a staggered double-strand cut, leaving the ends with a few nucleotides of single-strand DNA protruding. b)cut in regions of high GC content.
If repressor tetramer uses only two of its subunits to bind to an operator sequence, why is tetramer formation so important to the control of lac operon gene expression.
Determine which of the following in an enzyme that is involved in both cell cycle control and DNA repair?
Discuss and explain the role of antidiuretic hormone and aldosterone in the maintenance of blood pressure. Fairly detailed please.
A female has alleles C and H on one homolog, and c and h on the other. What kinds of eggs can she make if the genes are so close together that there is no crossing over between them.
A child has typeO blood. If the mother also has typeO blood, what blood type can the father NOT have? Explain.
Two solutions are separated by a semipermeable membrane that is permeable to sodium but not chloride or potassium ions. Solution A on the left contains a solution that is 100 mM NaCl, while Solution B on the right has a concentration of sodium chl..
Explain the four categories of amino acid side chains. Determine what types of interactions are the members of each of these categories likely to make?
When you eat a salad with lettuce, croutons, hard-boiled egg, bacon bits, and salad dressing, which one of those components will break down the least as it passes through your digestive system? Why?
q1. locate a pair of articles one from a professional journal and one from the popular press classically a news
Suppose that red reen color blindness is a recessive sex linked trait. A normal man mates with a color blind woman, what can we expect their children to be? Explain your answer.
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