Unlike lipids, hydrophilic functional groups typically contain ____ atoms, which make them more soluble in water
a. carbon
b. oxygen
c. hydrogen
d. nitrogen
e. phosphate
b
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Which type of phagocytic immune cell would you find in the nasal epithelium?
A. monocyte B. macrophage C. basophil D. mast cell E. natural killer cell
Which of the following is a list of the materials required for PCR?
A. Primers, Taq DNA polymerase, nucleotides B. Reverse transcriptase, Taq DNA polymerase, nucleotides C. Primers, Taq RNA polymerase, nucleotides D. Reverse transcriptase, Taq RNA polymerase, nucleotides
A testcross consists of
1.a cross of two pure-breeding forms to find out which form of a gene is dominant. 2.a cross between two unknown forms to determine their genotypes. 3.a cross between an offspring and its parent. 4.a cross of an F1 hybrid to an individual that is homozygous recessive. 5.a cross of two F2 individuals to produce an F3 generation.
Adel has freckles, autosomal dominant. What is her genotype?
A) FF B) Ff C) ff D) Can't say for certain; it could be FF or Ff.