Which of these is an altruistic behavior?
a. geese leaving their nests to fly south before the onset of winter
b. male seahorses fertilizing eggs and carrying them until they hatch
c. a gorilla living in a zoo feeding and protecting a stray kitten
d. baby ducks following the first adult duck they see after hatching
c. a gorilla living in a zoo feeding and protecting a stray kitten
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The _____ within each meristem is the source for new cells that are not yet committed to a specific organ or tissue
fate.
a. new cell region b. blank cell region c. cell generator d. cell tank e. stem cell reservoir
What instrument is most effective for pressure-temperature sterilization?
A. Bunsen burner B. Water-bath C. Incubator D. Oven E. Autoclave
Which of the following is not a means by which translation can be regulated in a eukaryotic cell?
A: Inhibition of translation of target mRNA with miRNAs B: Modification of the 5? cap of the mRNA C: Binding of a translational repressor protein to target mRNA D: Degradation of target mRNA by binding of small interfering RNA E: Attachment of ubiquitin to target mRNA.
DNA polymerase is the enzyme that adds nucleotides to make a new strand of DNA. It requires an older strand of DNA to serve as a template, or guide
Answer the following statement(s) true (T) or false (F)