The three primary meristems are the ____________, which forms the epidermis; the procambium, which produces primary vascular tissues (primary xylem and primary phloem); and the ground meristem, which differentiates further into ground tissue.
Choose the letter of the best match:
A. protoderm
B. vascular cambium
C. apical meristem
D. procambium
E. ground meristem
A. protoderm
You might also like to view...
Which of the following is not a component of a yeast three-hybrid analysis?
A. a fusion protein of LexA, which binds the reporter construct, and MS2, which specifically binds an RNA tag that has been added to every RNA produced by the plasmid library B. a plasmid library that contains random sequences from the genome tagged with a unique hairpin sequence that MS2 will bind C. a reporter construct that contains a LexA operator (binding site) and a reporter gene; activation of the reporter gene is either required for growth of the bacteria or catalyzes a reaction that forms a colored product D. a fusion protein containing the protein of interest fused to the activation domain that will activate transcription of the reporter gene when bound E. a fusion protein of the protein of interest and two tags?the calmodulin binding site and protein A
Campylobacter thioglycollate broth serves which purpose when used in the bacterial fecal culture?
a. Evaluation of general flora and predomi-nant species b. Selection of enteric pathogens such as Salmonella, Aeromonas, and others c. Inhibition of normal flora and selection of enteric pathogens d. Enrichment for Campylobacter spp.
Crossing-over is more likely to separate genes on a chromatid if they are
A. recessive genes. B. close together. C. dominant genes. D. far apart. E. mutated genes.
Although most of the mechanisms of evolution are nonrandom, the one that is absolutely random is ________
A) sexual selection B) natural selection C) artificial selection D) genetic drift