How does the size of a DNA fragment relate to its speed of passage through the agarose gel?
What will be an ideal response?
smaller fragments move through the gel faster
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Answer the following statements true (T) or false (F)
1. Plasmids can help bacteria grow faster. 2. The ability to transfer DNA via conjugation is a universal feature of E. coli strains. 3. Transformation is the transfer of genes from dead bacteria to live bacteria. 4. It has been difficult to create an effective vaccine against HIV because reverse transcriptase cannot correct its errors. 5. Viral genomes must always be excised from the bacterial chromosome before viral components can be produced.
A normally harmless substance that produces an immune response in some people is a(n):
a. pathogen b. cytokine c. histamine d. allergen e. antibody
The light dependent reactions do not produce ____
a. glucose b. oxygen c. ATP d. NADPH e. H+
Which of these do all prokaryotes and all eukaryotes share?
a) cell wall b) plasma membrane c) nuclear envelope d) organelles