In which direction do you think the pK_a of aspartate would shift when it is buried in the hydrophobic interior of a protein, and does not form an ion pair with a positively charged group? Explain in 1-2 sentences.

You notice that many Alaskan foxes and Himalayan rabbits are darker in color at the ears, nose, paws, and tail. What is most likely causing this pattern?

a) genetic patterns of inheritance b) environmental influences c) polygenic inheritance d) an autosomal disorder e) the law of segregation

Pick one of these topics related to biology, animals, environmental issues, disease, exercise or nutrition, and search the internet, finding an interesting website related to the topic.

After looking over the websites, write a summary, 200-300 words, related to the topic.

Calico cats have two genes that govern their coat color. One gene codes for the white undercoat and the other codes for the fur colors black and orange and this gene is X-linked. We will look at the gene for black and orange fur color only. In this situation, both black and orange are codominant, so that heterozygous individuals are a different phenotype.

Based on this information, what would black, orange and calico female cats' genotypes be?

What would be the genotypes for males of the same colors?

What would the male and female offspring of a male black cat and a female calico cat look like?

Is it possible for a male cat to have the calico coat pattern? Explain.

1. Cholesterol is a membrane plasticizer or a membrane buffer. Explain what are the effects of cholesterol at high and low temperatures.

2. What is the difference between integral and peripheral proteins?

3. Membrane lipids are distributed asymmetrically. Explain the concept and the reason behind this asymmetrical distribution

1) Describe the function of each antibiotic. Does the antibiotic inhibit cell wall synthesis, inhibit protein synthesis, or something else?

A) Penicillin

B)Tetracycline

C) Macrolide

D) Cephalosporin

E) Metronidazole

F) Vancomycin

G) Trimethoprim

H)Chloramphenicol

I)Rifampin

What are the primary differences between a laser scanning confocal and a spinning disk confocal microscope? Consider

(a) the physical design of the microscope

(b) the method of forming an image

(c) the detector that is used to capture the image.

What are the three dominant classes of RNA molecules in cells? Which one of these three has the longest RNA molecules, and which has the shortest RNA molecules?

How are RNA molecules synthesized in cells? Draw the chemical structure of a single elongation event. Explain how the synthesis of RNA molecules is terminated in bacterial cells. What modifications are added to an mRNA in eukaryotes after the mRNA has been transcribed?

How would you distinguish a mesotrophic lake diatom assemblage from a eutrophic assemblage in a sediment core?

1. Do monocots have compound leaves? If not, why?

2. Is there a significance of compound leaves relative to strong winds? How about to leaf-eating animals?

1. EMSA (gel shift) and DNase I footprinting both analyze DNA:protein interactions. What is the major difference? Why would a researcher choose one method over the other?

2. Gene expression activity is determined by analysis of both RNA levels and proteins levels. Why would one be used over another? Are they both accurate measures of expression?

All specimen in the collection facility have an essential set of information recorded with them. That information includes:

species name, location collection, date collected

location collected, date collected, associated species

date collected, habitat information, behavioral information

species name, who collected, habitat information

A recessive allele in mice results in abnormally long necks and sometimes death during embryogenesis. Crosses were made between pure breeding normal mice and pure-breeding long neck mic. All of the F1 mice had normal necks. Following an F1 x F1 cross, the F2 data below was observed for all mice born alive.

1044 Mice with normal necks

123 mice with long necks

How many total mice were expected in the progeny?

The answer is 348, how do we get this answer ?

Be sure to include the following terms in your description: Glucose, NADPH, ATP, Calvin cycle, RUBISCO, CO2.

Trace the flow of carbon within the process of photosynthesis

About foodborne pathogene

A) What are the Federal agencies responsible for overseeing food safety in the United States? What role does each agency perform?

B What are the major challenges of food safety?

C) What are the top four causes of foodborne diseases in the U.S.?

D) What is FoodNet and how does it work?

Please make sure to include your sources for any information!