Which of the following would represent the "transformation principal" first proposed by Griffith through his studies on Streptococcus pneumoniae bacterium

A. protein
B. RNA
C. DNA
D. phage
E. bateriophage

C. DNA

Biology & Microbiology

What is the term for the single cotyledon within the kernels of cereal grains?

A. aleurone B. hypocotyl C. dicot D. scutellum E. amyloplast

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Biology & Microbiology

If you pick up a handful of soil from your garden, everything you are holding in your hand

represents a(n) __________.

a. organism b. population c. community d. ecosystem

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Biology & Microbiology

What is the function of lignin in a plant cell?

a. area for gas exchange b. growth c. support d. water conservation

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Biology & Microbiology

A(n) ____________ is produced when Earth passes through the debris left by a comet when it passed through the inner solar system

Fill in the blank(s) with correct word

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Biology & Microbiology