Microtubules grow from a barrel-shaped organelle called the ____, which remains below the finished array as a ____
a. cilium; motor protein
b. cell cortex; centriole
c. microfilament; basal body
d. centriole; intermediate filament
e. centriole; basal body
e
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The synonym for land plants is ____ because all land plants produce a protected embryo during their reproductive
cycle.
a. tracheophyte b. embryophyte c. sporophyte d. gametophyte e. charophyte
Golden rice was developed to deal with problems of ____________ deficiency
A. vitamin D D. carbohydrate B. vitamin A E. niacin C. protein
Conifers and pines both have needlelike leaves, with the adaptive advantage of _____
A) increased surface area, increasing photosynthesis B) increased surface area, increasing gas exchange C) decreased surface area, reducing gas exchange D) decreased surface area, reducing water loss
Which of the following places these items in the correct order for DNA-virus replication? 1. Maturation 2. DNA synthesis 3. Transcription 4. Translation
A) 1; 2; 3; 4 B) 2; 3; 4; 1 C) 3; 4; 1; 2 D) 4; 1; 2; 3 E) 4; 3; 2; 1