Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
20 Cards in this Set
- Front
- Back
|
What did Griffith observe when he injected into mice a mixture of a heat-killed disease-causing bacteria? |
The mice developed pneumonia. |
|
|
Which of the following is a nucleotide found in DNA? |
Deoxyribose + phosphate group + cytosine |
|
|
DNA replication results into two DNA molecules, each with ____________________. |
one new strand and one original strand |
|
|
Unlike DNA, RNA contains ________________. |
Uracil |
|
|
Which types of RNA are involved in protein synthesis? |
mRNA rRNA tRNA |
|
|
How many codons are needed to specify three amino acids? |
3 |
|
|
Which type of RNA functions as a blueprint of the genetic code? |
mRNA |
|
|
Avery's experiments showed that bacteria are transformed by ________________. |
DNA |
|
|
DNA is copied during a process called __________. |
Replication |
|
|
What sugar does RNA contain? |
Sugar ribose |
|
|
Which RNA molecule carries amino acids? |
transfer RNA |
|
|
What happens during the process of translation? |
The cell uses information from messenger RNA to produce proteins. |
|
|
The figure 12-5 shows the structure of a _____________. |
DNA molecule |
|
|
What is the start codon and what amino acid does it code for? |
AUG methionine |
|
|
The structure labeled X in figure 12-1 is what? |
A nucleotide |
|
|
What is a bacteriophage? |
A virus that affects bacteria. |
|
|
What are the three main parts of a nucleotide? |
5 carbon sugar Nitrogenous base Phosphate Group |
|
|
What are the three differences between DNA and RNA? |
1. RNA has the nitrogenous base uracil; DNA has thymine 2. RNA is single stranded; DNA is double stranded 3. RNA has sugar ribose; DNA has deoxyribose |
|
|
3 types of gene mutations? |
Substitution Insertion Deletion |
|
|
4 types of chromosomal mutations? |
Deletion Duplication Inversion Translocation |
