The somatic cells of a privet shrub each contain 46 chromosomes. How do privet chromosomes differ from the chromosomes of humans ,who also have 46?
A) Privet cells cannot reproduce sexually.
B) Privet sex cells have chromosomes that can synapse with human chromosomes in the laboratory.
C) Genes of privet chromosomes are significantly different than those in humans.
D) Privet shrubs must be metabolically more like animals than like other shrubs.
C
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A) ?-1,4-glycosidic linkage B) ?-1,4-glycosidic linkage C) ?-1,6-glycosidic linkage D) ?-1,6-glycosidic linkage
Which zone experiences the most abiotic change over a 24-hour period?
A) A B) B C) C D) D E) E
A root cap:a
protects the fragile meristematic cells at the root tip. b. pushes the root tip deeper into the soil. c. protects the cells located in the lateral meristem. d. arises from the stem apical meristem. e. will differentiate into primary tissues of the adult plant.
Using the information in Table 2.1, calculate the molecular weight of ethanol, C2H5OH.
a. 96 b. 46 c. 34 d. 33