what is the etiology of diphtheriae?
What will be an ideal response?
Corynebacterium diphtheriae
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DNA polymerase catalyzes the synthesis of ____
a. DNA b. histones c. proteins d. ribose e. nucleosomes
Secondary endosymbiosis occurs when a
a. photosynthetic eukaryote engulfs a photosynthetic prokaryote. b. photosynthetic eukaryote engulfs a non-photosynthetic prokaryote. c. photosynthetic eukaryote engulfs a non-photosynthetic eukaryote. d. non-photosynthetic eukaryote engulfs a photosynthetic prokaryote. e. non-photosynthetic eukaryote engulfs a photosynthetic eukaryote.
In eukaryotes, a promoter that signals the beginning of the gene and binds with the promoter typically consists of
A) rRNA and tRNA. B) the bases TATAAA and response elements. C) the base sequence AUG and transcription factor binding sites. D) both DNA and RNA.
Answer the following questions true (T) or false (F)
1. Double fertilization occurs within the embryo sac in the carpels of angiosperms. 2. The fruit that surrounds a seed provides the primary nourishment for the germinating embryo. 3. Although they may look different, all fruits come from one carpel and produce one seed.