Of the following choices, what is the only way for bacteria to enter into plant tissues?
A. Shoot tip
B. Intact epidermis
C. Lateral bud
D. Ground tissue
E. Open stomata
Answer: E
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A defining characteristic of draft sequences is that they have
A. less than 1 error in 10,000 nucleotides. B. many gaps in regions of highly repetitive DNA. C. several problems, the main one being their contiguous DNA fragments. D. been found in various proteomes across the eukaryote life forms. E. been produced by alternative splicing.
In what ways do viruses differ from other pathogens?
A) Viruses lack genetic material. B) Viruses lack cytoplasm and organelles. C) Viruses have no protein structure. D) Viruses are composed of protein only. E) Viruses are composed of both protein and lipid.
The assembly of proteins in a cell takes place in the
A. nucleus B. vacuoles C. cytoplasm D. mitochondria
What are the source of antibody-producing cells?
A. Monocytes B. T cells C. Macrophages D. B cells E. Plasma cells