Which type of division causes a reduction in the number of chromosomes from parents to daughter cells?
1. binary fission
2. mitosis
3. meiosis
4. karyotype
3. meiosis
100
What are the two major stages of the cell cycle?
interphase and cell division
100
Codons are found on ____________
mRNA
100
Which of these is an example of biological evolution?
1. changes in domestic dogs as a result of selective breeding
2. Changes in HIV and other viruses
3. development of antibiotics
4. All of the above
4. All of the above
100
Evolution is a __________ change in a ________ over time.
1. major, species
2. major, population
3. major, community
4. genetic based, species
5. genetic based, population
6. genetic based, community
5. genetic based, population
200
Gamestes in horse cells have 32 chromosomes. How many chromosomes are in a horse's somatic cells?
64
200
How do prokaryotic cells divide?
using asexual reproduction and the process of binary fission. In Binary Fission the daughter cells replace parent cell and are genetically identical
200
RNA is single stranded, contains ribose, and is made up of what 4 nucleotides?
Uracil, Adenine, Guanine, and Cytosine
200
What are the five mechanisms of evolution?
mutation
gene flow
genetic drift
natural selection
sexual selection
200
Which is a nonrandom process?
1. mutation
2. genetic drift
3. gene flow
4. natural selection
5. founder effect
4. natural selection
300
What does this strand of DNA pair with?
ATCGGGCTAATGCGA
TAGCCCGATTACGCT
300
Somatic Cells go through the process of _________ and are ____________
1. binary fission, diploid
2. mitosis, diploid
3. mitosis, haploid
4. meiosis, diploid
5. meiosis, haploid
2. mitosis, diploid
300
Where des transcription occur?
1. cytosol
2. nucleus
3. golgi apparatus
4. rough ER
5. centrioles
2. nucleus
300
Which of the following is not a characteristic of hominids
1. larger brains
2. sharp teeth
3. bipedal
4. tool making
2. sharp teeth
400
WHAT IS THE ENZYME THAT CONNECTS NUCLEOTIDES TO MAJE THE NEW STRAND, USING THE OLD STRAND AS A TEMPLATE?
1. ligase
2. helicase
3. DNA polymerase
4. hydrogen bonds
DNA Polymerase
400
This process occurs when 2 haploid cells merge to create a single diploid cell or a zygote
Fertilization
400
What are the steps in protein synthesis, and what do the arrows represent?
________ --> __________ --> ____________
DNA, RNA , Protein
Arrows: transcription and translation
400
Genetic drift is a _______ process that can cayse the gene pool of a population to change from one generation to the next. Genetic drift is more likely to alter the gene pool of a _____ population than that of a _________ population.
1. random, large, small
2. random, small, large
3. nonrandom, large, small
4. nonrandom, small, large
2. random, small, large
400
_______ structures are similar in function and arise in distantly related organisms
1. Homologous
2. Analogous
3. Divergent
4. Convergent
2. Analogous
500
A _____ is a monomer of nucleic acids , a __________ is a polymer of nucleic acids. Polymers are built from monomers by ____________ _________
Nucleotide, DNA, dehydration synthesis
500
What are the genotypes of the following? Use the words
Seed texture: Smooth (R), rough (r); Seed color: Yellow(Y), green (y):
1. Green, smooth
2. Yellow, rough
1. yyRR or yyRr
2, YYrr or Yyrr
500
If the DNA sequence reads TGAGAC, what is the RNA TRANSLATED to (hint two step process)
DNA: TGAGAC
mRNA: ACUCUG
Answer: tRNA: UGAGAC
500
Could natural selection act on a population of clones? Explain your answer
No, natural selection favors individuals with characteristics that are better suited to the environment (thus in order for natural selection to occur there must be variability). There is no variability in clones.
500
Draw a picture of the Out of African and Multiregional Hypothesis models. Explain the general concepts behind them