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(Subject: Chemistry & Physics) Please answer all questions. Please be clear. Short answers are fine. 3-4 sentences.
1 )If a feather and a lead ball are dropped from 1000m in AIR (vacuum), will they hit the ground at the same time? Why or Why not? Recall that in a vacuum, the acceleration due to gravity is the same for all objects. (i.e. acceleration due to gravity on earth is g = 9.8 m/s^2
2) List the three principal types of chemical bonds in order of strength with the strongest first. Please include a short description of each and an example of each.
3) If you have a cup of oil (non polar) and a cup of water (polar), and a cup of an unknown substance, how can you tell if the unknown substance is polar or non polar?
What is a population? What is a species? You are conducting fieldwork and discover two populations of squirrels living on opposite sides of a lake. How would you design a study to determine, without disturbing the squirrels, whether these two populat..
q1. a dairy farmer is interested in breeding cows that are both resistant to mad cow disease as indicated by a blood
How much of the human genome is thought to be comprised of genes that encode proteins? Is this sufficient to explain the results of the human gene invisibility gun? What accounts for the part of the genome that does not encode protein?
A man with group A blood marries a woman with group B blood. Their child has group O blood. What are the genotypes? What other genotypes and in what frequencies would you expect offspring from this marriage?
Where have you observed an ecosystem change over time? how would you describe the biodiversity - in terms of species richness and evenness - of the place and how the change affected biodiversity? What are the positive and negative changes?
How can you explain the occurrence of birth defects (caused by altered genes) in children and grandchildren of WWII atomic bomb victims, when the victims themselves were only mildly affected?
A couple who are both heterozygous for the allele for green eyes(gray eyes are the recessive trait) decide to have kids.
There are 20 different kinds of amino acids, but you can see from the table of codons, that there are 64 different triplet codons. Think of three reasons why there aren't only 20 triplet codons, one codon for each amino acid?
What are some Possible reasons why higher concentrations of colistin and nalidixic acid was less effective at allowing growth of gram-positive organisms?
Mrs. Ksanthia is a 56 year old obese woman with Diabetes Mellitus Type 2 "DMT2 or DM2" who is admitted for treatment of an infected, painless, DM related foot ulcer. There is a 20x10 cm area of cellulitis surrounding the ulcer, which has some puru..
The AB type toxin causes the paralysis of muscle by inhibiting the release of neuro transmitter at the synapse between the nerve cell and the muscle fiber a. Endotoxin b. Exotoxin c. All of the above
Explain how more acetaldehyde is able to escape into the blood stream in certain individuals who lack the mitochondrial form of aldehyde dehydrogenase?
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