For each description below, choose the type of cell division it characterizes. a. mitosis b. meiosis c. both mitosis and meiosis
______ forms genetically identical daughter cells
______ forms genetically unique daughter cells
______ forms four daughter cells
______
parent cell undergoes two rounds of cell
division
______
homologous chromosomes exchange DNA
prior to dividing
______ forms diploid daughter cells
______ divides after a single round of DNA replication
_____ homologous chromosomes undergo synapsis
______ follows a single round of replication
What will be an ideal response?
a forms genetically identical daughter cells
b forms genetically unique daughter cells
b forms four daughter cells
b
parent cell undergoes two rounds of cell
division
b
homologous chromosomes exchange DNA
prior to dividing
a forms diploid daughter cells
a divides after a single round of DNA replication
b homologous chromosomes undergo synapsis
c follows a single round of replication
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Pathogen is ________.
A. a name given to all archaea B. a name given to all bacteria C. a name given only to bacteria that cause serious illnesses in humans D. a name given only to helpful bacteria
A useless or rudimentary body part that is thought to have been important in ancestral populations but no longer has a known function is termed a(n) ________
A) evolved structure B) terminal structure C) vestigial structure D) residual structure
RNA is a multifaceted molecule and key component to the success of life. Which of the following statements about RNA is most accurate?
a. RNA is incapable of storing information, but it is vital in converting the information embedded in DNA to useful proteins. b. The world was most likely filled with DNA-life first, which evolved to produce RNA-life. c. There is no link between RNA and the possibility of it being a precursor to cellular life. d. It is possible that this complex molecule could have been a self-replicating system. e. RNA is an enzyme.
The molecule that binds to the active site of an enzyme is called the allosteric inhibitor.
a. true b. false