Aminoacyl-tRNA synthetases __________ link __________ to their respective tRNA molecules
a. ionically; mRNAs
b. loosely; mRNAs
c. terminally; codons
d. covalently; amino acids
e. enzymatically; codons
D
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A new experimental pesticide is being tested by a large agricultural chemical company. An unfortunate side effect in plants treated with this new product is a partial inhibition of ferredoxin-NADP+ reductase in the chloroplasts
Given this observation, what specific change(s), if any, would you expect to observe in the amounts of NADPH, ATP, 3- phosphoglycerate and glyceraldehyde-3-phosphate, and RuBP in the chloroplasts of these plants? What will be an ideal response?
The levels of life’s organization, from lowest (or simplest) to highest (or most complex) order of organization, are _____
1.atoms, cells, molecules, organs 2.atoms, molecules, cells, organs 3.atoms, cells, organs, molecules 4.molecules, atoms, organisms, cells
Activation of B cells can occur when antigen binds to B cell surface immunoglobulin receptors.
Answer the following statement true (T) or false (F)
Which type of cell protects the skin from UV light damage?
a. melanocytes b. Granstein cells c. keratinocytes d. Langerhans cells e. squamous cells