Which of the following is the first event to take place in translation in eukaryotes?
A) base pairing of activated methionine-tRNA to AUG of the messenger RNA
B) binding of the larger ribosomal subunit to smaller ribosomal subunits
C) covalent bonding between the first two amino acids
D) the small subunit of the ribosome recognizes and attaches to the cap of mRNA
D
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What is the reason why fluid is forced out of capillaries at the arteriolar end?
A. The osmotic force of the interstitial fluid is greater than that of the blood. B. The pressure of the blood is less than that of the interstitial fluid. C. The pressure of the blood is greater than the osmotic force of the interstitial fluid. D. The osmotic force of the interstitial fluid is greater than the pressure of the blood. E. The osmotic force of the blood is greater than the pressure of the interstitial fluid.
Using the accompanying illustration and the assumption that half of a plant's sperm and eggs are p and half are P, one
can predict that the chance of sperm p meeting egg P at fertilization is ____. a. 50% b. 75% c. 25% d. ½ X ¼ e. 100-%
A __________ is an organ that allows exchange of nutrients between an embryo and its mother. Fill in the blank(s) with the appropriate word(s)
The rate of aggressive interactions among individuals increases as population density increases
Indicate whether the statement is true or false