The traits that Mendel studied were most often influenced by single genes
A. true
B. false
A
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Which of the following describes a template strand?
a. a DNA strand that specifies the complementary mRNA molecule b. a DNA strand that is not used to transcribe mRNA c. a region of locally unwound DNA that allows for transcription of mRNA d. a sequence present in protein-coding mRNA
This is a type of white blood cell that can kill many different types of microbes and some tumor cells by producing perforins that perforate the cell membrane of the foreign cell, causing the death of the cell
a. phagocyte b. complement c. rhinovirus d. natural killer cell e. macrophage
Which of the following is a type of reproductive
isolating mechanism? a. temporal isolation b. mechanical isolation c. behavioral isolation d. ecological isolation e. all of these
Which of the following fundamental properties of life do viruses not possess?
A) metabolism B) irritability C) ability to reproduce D) metabolism and irritability E) irritability and ability to reproduce