The ________ is the distance between the center of a lens and the point at which it focuses parallel beams of light.
Fill in the blank(s) with the appropriate word(s).
focal length
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DNA polymerase assembles new strands
a. in a 5' to 3' direction only. b. in a 5' to 3' direction building one strand and a 3' to 5' direction building the other stand. c. in a 5' to 3' direction building the first half of a strand and a 3' to 5' direction building the second half of a strand. d. in a 3' to 5' direction building the first half of a strand and a 5' to 3' direction building the second half of a strand. e. in a 3' to 5' direction on the “old” 3' to 5' strand.
Which of the following is responsible for the actual invasion of the lining of the uterus?
a. trophoblast b. amnion c. inner cell mass d. blastocyst e. placenta
As natural selection increases the frequency of one morphological form over another in the population, what changes at the genotypic level?
What will be an ideal response?
Which cell organelle functions to transport materials from the endoplasmic reticulum throughout the cell?
a) ribosome b) Golgi apparatus c) lysosome d) vacuole