How many ?'s are on the Exam?
What is the responsibility of three consecutive nucleotides?
They code for one amino acid.
What substance should be present to release the most ATP during cellular respiration?
Oxygen
How will a red blood cell placed in a high concentration of salt water behave?
It will shrink.
What is a benefit of roundup ready corn?
Farms can spray herbicides to eliminate weeds, without the risk of killing crops.
What is the most accurate evidence to suggest common ancestry?
DNA (nucleotide sequences)
There was a drought that led to a loss of vegetation on all of the trees except for the tallest variety in the area. How did this affect the elephants in the area?
The tallest elephants with the longest trunks were able to overcome and reproduce leading to an increase in the adaptation.
Trade Request:
Two grizzlies were cloned, one was released to the wild and the other remained in captivity. Five years later the bear in captivity outweighed the one in the wild by 200lbs. Why is this?
The environment had an influence on growth.
Henry is 6'3 and Sarah is 5'1. This indicates that height is which inheritance pattern?
Polygenetic Inheritance
Why does sexual reproduction lead to greater genetic variation?
Mandatory Generosity:
Half of the DNA comes from Mom and half from Dad, leading to a new unique combination of alleles.
Plants turn _______ energy into _________ energy.
Solar, Chemical
The cells of the embryo are _______ because of _________.
diploid, fertilization
Describe the structure of DNA.
Two sugar phosphate backbones joined by nitrogenous bases in the middle and twisted into a double helix.
Double Jeopardy:
A cell with free floating DNA is observed under a microscope. Why type of cell is being observed?
Prokaryotic
Muscle cells undergoing a strenuous workout will produce ATP via what process?
Anaerobic Respiration
Physical structures that have no use and that maybe evidence for divergent evolution.
Vestigial Structures
Tax Man:
There is a TB outbreak in a prison and the inmates are treated with an antibiotic, after six months, there is another outbreak, why?
Antibiotic resistant bacteria survived and reproduced.
An enzyme works best at 30 degrees Celsius. What happens if it is cooled to 15 degrees.
The rate of reaction will be slowed.
What step in protein synthesis occurs in the ribosome?
Translation.
A mutation occurs in a skin cell that leads to uncontrolled cell growth. What is a likely cause for this mutation?
Overexposure to the sons UV rays.
Trade Request:
What level of the food pyramid has the most energy available?
Producers
What is the best way to determine the discovery of a new species?
Observing the DNA nucleotide sequences and comparing it to known examples.
Double Jeopardy:
Some cells develop into muscle cells while others develop into skin cells, explain how this happens.
All cells contain identical copies of DNA but only certain segments are activated during specialization.
All or Nothing:
During which phase of the cell cycle is DNA replicated?
Interphase
Trisomy 21 is a result of what error during meiotic division?
Nondisjunction
What pattern of evolution doesn't always favor fitness?
Sexual Selection.