For many plants to grow well in hot, dry weather they must be watered so their stomata will remain open for longer periods of time to let in carbon dioxid E.
a. true
b. false
a. true
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During DNA transcription, as the DNA is processed through the RNA polymerase, a copy is built called a transcript. The mRNA transcript is made up of four different nucleotides. If the DNA strand has the base thymine (T), which base is added to the mRNA?
a) thymine (T) b) uracil (U) c) guanine (G) d) adenine (A) e) cytosine (C)
Choose the one most appropriate answer for each.
A. auditory nerve B. cochlea C. eardrum D. E. retina F. G. amplitude H. saccule I. pitch J. pheromone K.
________ is the hormone released by the pancreas to lower levels of glucose in the blood.
Fill in the blank(s) with the appropriate word(s).
What exactly does transfer RNA (tRNA) transfer?
A) amino acids to the RNA polymerase during transcription B) carbohydrates throughout the cytoplasm during transcription C) nucleotides that are to be added to a growing polypeptide chain D) the two ribosomal subunits to the start sequence and initiates the start of translation E) amino acids to the ribosome during translation