Which of the following organelles contains protein-digesting enzymes that break down proteins to amino acids? 

A. chloroplasts
B. lysosomes
C. ribosomes
D. mitochondria


B. lysosomes

Biology & Microbiology

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The process of conjugation may introduce new alleles into the recipient strain, altering its genotype

Indicate whether the statement is true or false

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T cell independent antigens lead to a memory response

Indicate whether this statement is true or false.

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A group of population members all of the same age is called a ________.  

A.  deme B.  species C.  cohort D.  tribe

Biology & Microbiology

Mitosis is division of the ________, whereas cytokinesis is division of the ________

A) prokaryotic cell; eukaryotic cell B) chromatid; chromosome C) nucleus; cytoplasm D) nucleus; chromosome

Biology & Microbiology