Zero population growth will be achieved as soon as couples have only replacement reproduction, with two children per couple.
Answer the following statement true (T) or false (F)
False
Zero population growth will not occur if there are more young women entering the reproductive years than there are older women leaving them, even if every couple has only two children.
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Assume that a bacterial cell produces a lac repressor that is able to bind to the operator sequence of the
lac operon but cannot bind allolactose. Explain the effect of transcription of the lac operon when lactose is not present, and then when it is present.
What will be an ideal response?Which of the following types of organisms uses inorganic molecules as an energy source?
a. photoautotrophs b. chemoautotrophs c. net primary producers d. net primary consumers
Four of the five choices listed below can upset
genetic equilibrium. Select the exception. a. interbreeding paternal or fraternal relatives b. genetic drift c. mutation d. natural selection e. gene flow
What does the RNA polymerase enzyme complex do?
A) It brings complimentary RNA nucleotides to DNA. B) It unwinds the DNA. C) It unwinds the DNA, brings complementary RNA nucleotides to DNA, and synthesizes an RNA molecule. D) It synthesizes RNA molecule. E) It splices introns out of mRNA.