Is it possible to be a "carrier" (phenotypically normal but capable of passing the allele to one's offspring) for a sickle-cell anemia?

a. yes
b. no


a

Biology & Microbiology

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Quality control results for disk diffusion AST using appropriate ATCC strains of bacteria showed zone size diameters decreasing over time for a few antimicrobials. Which of the follow-ing statements is a possible explanation?

a. Antimicrobial disks were stored in a frost-free freezer. b. Concentration of the bacterial inoculum was 5 105 CFU/mL. c. Depth of Mueller-Hinton agar plates measured 3 mm. d. Plates were incubated less than 16 hours in ambient air.

Biology & Microbiology

At the start of translation, the initiator tRNA pairs with the start codon at the ____ of the ribosome

a. A (aminoacyl) site b. promoter c. P (peptidyl) site d. ribosomal binding site e. E (exit) site

Biology & Microbiology

Approximately, what percent of flowering

plants have animal pollinators?

a. 50 b. 60 c. 70 d. 80 e. 90

Biology & Microbiology

What substance will displace the cupula during rotational equilibrium?

Select one: a. fluid within the semicircular canal b. fluid within the utricle c. the otoliths within the semicircular canal d. the otoliths within the vestibule e. fluid within the auditory tube

Biology & Microbiology