People and thought
in 1952 she used X-ray crystallography to create a photograph of DNA.
Rosalind Franklin
DNA stands for
Deoxyribonucleic acid
RNA stands for
Ribonucleic acid
Mutations is any ______ in a DNA sequence
Change
the three parts that make up a nucleotide are ?
phosphate group, nitrogenous base, Deoxyribose sugar
In 1953, these men proposed that DNA is made of two chains of nucleotides held together by nitrogenous bases.
Watson and Crick
The monomer that makes up DNA is called a
Nucleotide
__________ is when RNA made from the portion of a DNA strand. This occurs in the nucleus.
Transcription
Haploid or reproductive cells
Forms of radiation such as X rays, cosmic rays, ultraviolet light, and nuclear radiation are dangerous mutagens because the energy they contain can
Break/Damage DNA
in 1952, Alfred Hershey and Martha Chase performed experiments using ________viruses that infect bacteria
Radioactive
In DNA, what are the complementary base pairs?
A-T
C-G
a group of three bases that code for one amino acid
Codon
mutation in which a single base is added to or deleted from DNA is called?
A frameshift mutation
the bonds between the nitrogenous bases are
hydrogen bonds
Before 1952 many scientists believed this could be the genetic material
Protein
What is the first step in DNA replication
unwind/unzip DNA
The process of converting the nitrogenous bases in mRNA into a sequence of amino acids in protein is known as
translation
When part of one chromosome breaks off and is added to a different chromosome, a ___________ occurs.
Translocation
The monomers of protein
Photo 51
Scientists use nucleotide sequences to determine evolutionary relationships among organisms, to determine whether two people are related, and
identify crime victims
what transfers the amino acids to the ribosome to be made into proteins
Transfer RNA or tRNA
Any agent that can cause a change in DNA is called
mutagen
The closer the relationship is between two organisms, the more similar their __________ will be.
DNA sequence