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BIO 102 Exam #2 Lecture 7
Terms in this set (14)
what is a synonym for polepeptite
what is a codon
three nucleotides that together form a unit of genetic code
which nucleotide in a codon is usually silent
the nucleotide base (or the third one)
for eukaryotic cells, during the production of proteins from DNA, which occur in the nucleus and which outside the nucleus
transcription occurs inside the nucleus and translation occurs outside the nucleus.
what are some of the processes invovled in turning a protein into a trait
transcription of DNA to mRNA. Then RNA is translated into amino acid (protein)
what is mitosis?
each chromosome replicates, the cell divides and each new cell has a copy of the DNA
describe semiconservative replication
each strand of original DNA serves as a template for the new strand which means each new chromosome consist of one new strand and one old strand
approximately, what is the range of base pairs in a living organism
10^6 - 10^10
approximatley, how many base paris are in the human genome
in humans the number of mutations that result from mismatched nucleotides during semiconservative replication?
1/10 of every 10 billion base pairs are wrong (mutation). So for an individual cell it's one mutation in every three cell generation.
how are cancer, mismatched nucleotides during semiconserrvation replicated, mutation, mitosis, and sunlight related?
the mutations that are produced cause unregulated cellular reproduction
describe what is meant by homologous chromosome
a homologue is another molecule of DNA that has all the same genes in the same location. EX: Chromosome A is the homologue of Chromosome B because they code for the same traits, with the same genes in the same place but not necessarily the same alleles.
what is the difference between a diploid and a triploid organism?
diploid is two homologous Xsomes and a triploid is a three homologous Xsome
What kind of genomes do Viruses have
viruses is a 1 haploid genome.
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