Plants lack organ systems for disposing of toxic metabolic waste products. Their cells’ vacuoles are like what animal
cell organelle?
a. nucleolus
b. lysosomes
c. chloroplasts
d. mitochondria
e. endoplasmic reticulum
b
Biology & Microbiology
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Which of the following is an example of one codon?
A) CATT B) GCCATT C) CAG D) CCGUAA
Biology & Microbiology
The protostomes are divided into two monophyletic groups, the
A. Lophotrochozoa and Ecdysozoa B. Protostomia and Deuterostomia C. Chordata and Hemichordata D. Eumetazoa and Protozoa
Biology & Microbiology
A patient reports an inability to feel or recognize expressions of fear in others. Damage to which structure in the brain could be responsible for these symptoms?
a. cerebellum b. brainstem c. amygdala d. hypothalamus
Biology & Microbiology
Most ulcers are caused by____
a. eating spicy food b. overuse of aspirin c. bacterial infection d. stress e. poor diet
Biology & Microbiology