MTTC Biology Exam Questions With
Correct Answers.
Hyphae - answerfilaments composed of tubular walls surrounding plasma membranes &
cytoplasm - component of most fungi
Batesian mimicry - answerwhen a harmless species mimics characteristics of a harmful species
to deter predators
Okazaki fragm...
steroid - answer✔lipid macromolecule formed of four carbon rings, include cholesterol and
many vertebrate sex hormones
polypeptide - answer✔polymer of amino acids connected in sequence; a protein consists of one
or more polypeptide chains
mRNA - answer✔carries information specifying amino acid sequences of proteins from DNA to
ribosomes
tRNA - answer✔serves as adapter molecule in protein synthesis; translates mRNA codons into
amino acids
rRNA - answer✔plays catalytic (ribosome) roles and structural roles in ribosomes
primary transcript - answer✔precursor to mRNA, rRNA, or tRNA and may be processed by
splicing or cleavage; commonly contains introns that are spliced out during processing
phloem - answer✔plant tissue that transports solutions of nutrients and carbohydrates
xylem - answer✔plant tissue that transports water
apoptosis - answer✔programmed cell death
necrosis - answer✔traumatic cell death due to cellular injury
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