Plasmids are useful to scientists involved in recombinant DNA technology because DNA can be manipulated and inserted back into bacteria using them
Indicate whether the statement is true or false
TRUE
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The birth control pill is a mixture of synthetic ____
a. testosterone and estrogens b. progesterone and estrogens c. LH and FSH d. LH and estrogens e. progesterone and testosterone
Sepia apama cuttlefish mollusk males and females
A. live in populations of equal proportions, producing equal probability of reproductive success. B. can't mate successfully unless they are among the larger individuals in the population. C. are opportunistically hermaphroditic, able to mate as either male or female depending on the population needs. D. are sexually dimorphic, having different arm lengths and colorations. E. mate during the warm spring season.
________ is the process whereby cells engulf pathogens and foreign substances
Fill in the blank(s) with correct word
What is the unifying or "core" theme of biology?
A) Evolution B) Energy transfer C) Nutrient recycling D) Hierarchical organization