Unit 1
What is a covalent bond?
a bond between two different atoms
What is Gibb's free energy?
change in free energy -- denotes spontaneity
What does it mean to be homozygous for a particular trait?
It means that they have two of the same alleles for a particular character
Which operon is inducible?
lac operon
True or false? Sneezes exceed 100mph.
TRUEEEEE
What is a hydrogen bond?
a hydrogen molecule bound to nitrogen, oxygen, or fluorine
What are the steps in order of mitosis?
prophase, prometaphase, metaphase, anaphase, telophase/cytokinesis
What is the order of DNA to a protein?
DNA transcribes to RNA translates to amino acids/proteins
Giraffes developed long necks in order to reach leaves on tall trees. This is an example of...
inheritance of acquired characteristics
True or false? The human nose can remember up to 50,000 scents.
TRUEEEEE
What are the 4 unique properties of water?
What is the most important checkpoint in the cell cycle, and why?
G1 because it is what allows the cell to go on and proliferate through the rest of the cell cycle
How many daughter cells are affected by a nondisjunction event in meiosis I?
4 daughter cells affected 2(n+1) and 2(n-1)
Analogous structures are a result of __________ evolution. Provide an example of an analogous structure.
convergent; ability to glide in sugar gliders/flying squirrels
The largest cell in the body is a(n) ______ cell, and the smallest cell in the body is a(n) ________ cell.
egg; sperm
What are the biggest differences between a eukaryotic and a prokaryotic cell?
Eukaryotic cells: DNA in nucleus, much larger, membrane-bound organelles
Prokaryotic: DNA in nucleoid, much smaller, no membrane-bound organelles
How does a catalyst work?
It lowers the activation energy of a reaction, thus increasing the speed of the reaction
Distinguish between the three types of dominance (codominance, incomplete dominance, complete dominance).
Codominance: both phenotypes express simultaneously
Incomplete dominance: intermediate of two phenotypes
Complete dominance: one phenotype takes over the other phenotype
What is the order of taxonomy?
Who is the best SI leader ever?
Is this really a question or..........
What is a phospholipid made up of?
choline, phosphate, glycerol, 2 fatty acids
For the creation of 1 glucose from the Calvin Cycle, what are the inputs?
18 ATP, 9 NADPH, 6CO2
What are the five levels of DNA packing in order from smallest to largest?
DNA double helix, nucleosome, 30nm fiber, looped domains, metaphase chromosome
What are the two most common types of genetic drift? Explain both briefly.
Bottleneck effect: sudden reduction in population size due to a change in environment
Founder effect: when a few individuals become isolated from a population and start their own population elsewhere
During photosynthesis, light is absorbed by ___________ pigments.
These pigments are found in ___________ membranes.
Chlorophyll, thylakoid