- Which enzyme adds bases to a growing RNA strand?
- What type of bond holds nucleotide bases together in a strand of DNA?
- Which enzyme adds bases to a growing DNA strand?
- what characteristics are purely determined by environmental factors?
- what characteristics are purely determined by genotype and phenotype?
- what characteristics are purely determined by genotype?
- Positive superspiral appears .... of replication forkNegative super spiral appears..... of replication fork
- Human genes always have ... dinucleotide at exon 3'end and .... dinucleotide at intron 5' end
- Somatic cells usually.... telomerase activity
- DNA ligase makes ....... ....... between synthesized molecules
- Telomerase is an enzyme that has .... molecule in its structure
- Bacterial and yeast DNA polymerases are marked I, II and III, they correspond to
- which proteins insert breaks within DNA to relax torsionic tension
- Transcription begins when an enzyme called _______ ________________ binds to the beginning of a gene on a region of DNA called the promoter.
- Nucleotide segments of a DNA molecule that make up genes and are actually expressed in the phenotype of an organism are called ______________.
- Portions of genes that actually get translated into proteins are called _______________.
- Mutations that changes on nucleotide or just a few nucleotides in a gene are called ______________ mutation.
- In eukaryotes, gene expression is related to the coiling and uncoiling of
- The sequence of three nucleotides that code for specific amino acids or stop signals in the synthesis of protein is called a
- The nitrogen containing base that is only found in RNA is