The nucleolus is a highly active region of the nucleus that is required for synthesis of ribosomes.
Answer the following statement true (T) or false (F)
True
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Once a peptide has been formed between the amino acid attached to the tRNA in the P site and the amino acid associated with the tRNA in the A site, what occurs next?
A) translocation B) reading of the next codon of mRNA C) initiation D) The codon-anticodon hydrogen bonds holding the tRNA in the A site are broken.
An unfortunate deer becomes stuck in quicksand at the edge of a lake and dies. A few months later, it is buried by sediment in a massive landslide, but by this time, bacteria have fully decomposed its soft tissues. Several million years later, archeologists are digging at the spot where the deer dies and was buried. Would the archeologists be able to find a fossil of the deer? Why or why not?
A. No, because it needed to be fully intact when buried to form a fossil. B. Yes, because its skeleton could have been replaced by minerals to form a fossil. C. No, because bacteria continued to decompose its skeleton after it was buried. D. Yes, because it would have fossilized before it was buried.
Once human nerve cells become mature, they normally exit the cell cycle and remain in ____
a. G0 b. G1 c. G2 d. S phase e. prophase
Describe the direction of information flow in living systems. Use appropriate, scientific terms in your description
What will be an ideal response?