BISC120 Midterm 1 Exam | Questions Solved 100% Correct |Verified Answers

BISC120 Midterm 1 Exam | Questions Solved
100% Correct |Verified Answers
how do genes code for characteristics?

- most genes are a "recipe" for production of protein
- genes on DNA are transcribed to mRNA, which is then translated to protein through use of
tRNA

what does mRNA stand for?

messenger RNA

what does tRNA stand for?

transfer RNA

central dogma of biology

DNA -> RNA -> Protein (happens through transcription)

what do genes code for?

proteins

protein/polypeptides

amino acids linked together through peptide bonds, forming long chains

polymers of amino acids

- polypeptides
- constructed from 20 amino acids

structure of proteins

- the most structurally complex molecules known
- vary extensively in structure, enabling their diverse functions
- each protein has a unique 3-dimensional shape

, function of enzymatic proteins

selective acceleration of chemical reaction

function of defensive proteins

protection against disease

function of storage proteins

storage of amino acids

function of transport proteins

transport of substances

function of hormonal proteins

coordination of an organism's activities

function of receptor proteins

response of cell to chemical stimuli

function of contractile and motor proteins

movement

function of structural proteins

support

where is the processing step for mRNA located?

eukaroytic organisms

what is mRNA translated into?

amino acids

what is the genetic code based on

nitrogenous base triplets