The tendency of molecules of the same kind to stick together is called ________
A) bonding
B) cohesion
C) polarity
D) adhesion
B
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Some protists have a pellicle, which is used for ____
a. defensive purposes b. sexual reproduction c. structural support d. water absorption e. food storage
Which of the following statements is TRUE?
a. Once a person reaches maturity, cell division stops except to repair wounds. b. Cell division in an adult signifies cancer. c. Some specific cells throughout the body retain the ability to divide and replace themselves. d. Mitosis always produces haploid cells. e. All cells retain the ability to divide even after the organism reaches maturity.
Sidney Brenner argued that the code was nonoverlapping because he considered that coding restrictions would occur if it were overlapping. A second major argument against an overlapping code involved the effect of a single nucleotide change
In an overlapping code, how many adjacent amino acids would be affected by a point mutation? In a nonoverlapping code, how many amino acid(s) would be affected?
A process in which a sister chromatid inherited from the mother and a sister chromatid inherited from the father pair up and form tetrads and exchange DNA to form genetically diverse gametes is called ________
A) cell cycle B) prophase C) cytokinesis D) crossing over