At the start of translation, where does the initiator trna bind?


Answer 1

Answer: start codon AUG of mRNA


The ribosomal assembly consist of two receptor sites, the P and A sites. The P site carries the peptidyl-tRNA, the growing peptide chain while the A site carries the new incoming tRNA with the amino acid to be added next.

The mRNA signal the initiation process with it start codon AUG. Because the start codon AUG codes for the amino acid methionine. A tRNA attach to methionine (tRNA-Met) binds to the start codon. The anti-codon UAC of the met-tRNA is correctly base pairing with the AUG codon on mRNA.

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Many animals form complex societies of related individuals. Which of the following benefits do these societies provide?


Society is a group of individuals being involve in social interaction sharing the same territory thus society enables the members to benefit in ways that cannot be done only individually like protecting everyone from predators. It would be good to have a society and also for territorial purposes.

Which of these animals undergoes incomplete metamorphosis? A) beetles
B) butterflies
C) praying mantis
D) moths


Answer: C). praying mantis

The life cycle of insects that undergo incomplete metamorphosis takes place in three stages: egg, nymph and adult. When the eggs are hatched then the insect body undergo several nymphal stages to develop into an adult form. The adult insect can be distinguished from the nymphs by size and presence of wings. The animal which undergoes incomplete metamorphosis is praying mantis.

Praying mantis
 The praying mantis goes through three stages: egg nymph and adult

The block of rock that lies above a fault is called the


The block of rock that lies above is called the hanging wall. The rock that lies below is called the footwall.

Select all that apply The cellular respiration the mitochondrion serves as? A. A place for the chemical reaction to occur
B. A place where the enzymes needed for the reaction are located
C. The site for lactic acid fermentation
D. The site for the Krebs cycle.



D. The site for the Krebs cycle.


-Cellular respiration refers to the biochemical pathway by which cells release energy from the chemical bonds of food molecules and provide that energy for the essential processes of life. All living cells must carry out cellular respiration. It can be aerobic respiration in the presence of oxygen or anaerobic respiration

-The aerobic phases of cellular respiration in eukaryotes occur within organelles called mitochondria. These aerobic phases are the Krebs Cycle and the electron transport chain.

Answer is A and D, hope it helps

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