If a daughter expresses an X-linked recessive gene, she inherited the trait from ____
a. her mother
b. her father
c. both parents
d. neither parent
e. her grandmother
ANSWER: c
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Which of the following examples or elements of culture is uniquely human? Select all that apply
A. an individual learning by imitation from another member of its own species B. an individual teaching another individual of its own species by tailoring the information available to the individual being taught C. regional variation in tool use D. language E. None of these are uniquely human.
Answer the following statements true (T) or false (F)
1. Some algae are more closely related to plants than they are to other algae. 2. Protozoa are monophyletic. 3. The disappearance of diatoms from the world's oceans would result in an overall increase in the concentration of atmospheric oxygen. 4. Micronuclei are stored particles of carbohydrate and lipids.
Each of the following characteristics is true for both facilitated diffusion and active transport EXCEPT
____.
a. the use of transport proteins is required b. transport proteins are specific for the molecules being transported c. transport proteins can become saturated d. a concentration gradient is present e. the direction of transport is always with the concentration gradient
EcoRI and HindIII are ________.
A. palindromes B. reverse transcriptases C. restriction endonucleases D. ligases E. DNA polymerases