* The outer skin of a cell is called a what?
* The control center of a cell is what?
* What are the building blocks of protein molecules called?
* The structure of DNA was discovered by whom?
* Who constructed the first advanced microscope in the late 17th and early 18th century?
* Which of the following is found in plant cells but not animal cells?
* Which organelle is a type of vesicle?
* What organelle processes and packages proteins before sending them through the cell?
* What is the name of the process in which DNA is copied into messenger RNA?
* Which is NOT a nitrogen base of RNA?
* What does Cytosine pair up with?
* Who proposed the double-helical model of the DNA?
* Nucleotides are monomers of DNA. What does each nucleotide consist of?
* In eukaryotes, transcription of mRNA is 1)catalyzed by what type of enzyme 2)initiated by binding of transcription factors to which important promoter sequence?
* There are 20 essential amino acids in the human body. Using the triplet codon, theoretically, how many amino acids can be coded for?
* Why does a single base substitution in DNA base sequence not necessary result in a malfunctional polypeptide?
* Translation requires the activation of amino acid into
* Which molecule is not required during translation?
* Sickle cell anaemia is a disease resultant of missense mutation. What codon number in the DNA sequence does the mutation take place? What amino acid substituted the original glutamic acid? This mutation affects which protein chain in the hemoglobin?
* What are involved in removal of introns from the pre-mRNA?