Biology Answers

A particular triplet of bases in the coding sequence of DNA is AAA. The anticodon on the tRNA that binds the mRNA codon is:

what is one difference between between primary and secondary succession

List 3 reasons why is HIV is so successful in infecting humans?

In a diploid cell undergoing mitosis, the centromeres of the chromosomes will
a. replicate during prophase.
b. divide when chromosomes are synapsing.
c. segregate to the same pole of the cell during anaphase.
d. divide in the reductional division. e. attach to spindle fibres.
explain why each of the incorrect statements is eliminated.

Parallelism between modern film and biology

What gene could be manipulated to grow legs on the head?

What specialized tissues function in primary and secondary growth in plants?

How can leaves be both a source and a sink for organic molecules? Use some examples in your answer please?

Lamin A codes for a protein required for the structural support of the nuclear envelope in cells. Without a functional protein, the nuclear envelope becomes unstable, eventually damaging the nucleus and causing cells to die. Based on what you learned in this Click & Learn, propose a genetic medicine strategy you could develop to treat patients with progeria. Describe which step in gene expression you might target and why you would target that step, the intervention tool you would use, and explain how this strategy would treat the disease.

Describe how you would prepare a 10% solution hydrochloric acid(liquid) and a 10% solution of sodium chloride(crystals) into a total volume of 100cm3.