What is the node of a plant stem?
A) the point of leaf attachment
B) the point of apical dominance
C) the area between the shoots and the roots
D) a small pore where gases are exchanged
Answer: A
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The fusion of the cytoplasms of two genetically different cells is known as ____
a. osmosis b. karyogamy c. cytoplasmic streaming d. plasmogamy e. mutual symbiosis
It is thought that half or more cancers have a mutated or missing ____
a. pre-oncogenes b. haploid genes c. post-oncogenes d. p53 gene e. BRCA1 gene
Information in living organisms is transmitted by which mechanism(s)?
a. genes only b. hormones only c. genes and hormones d. neurotransmitters only e. genes, hormones, and neurotransmitters
This is a(n) ____ reaction. C12H22O11 + H2O ® C6H12O6 + C6H12O6
A. hydrolysis B. dehydration synthesis C. acid-base D. ionic