How could ethnobotany be beneficial to us in the future?

In stressful conditions, a cell wants to limit expression of Protein X. List all the ways that this can occur.

Cities may thrive even as environments worsen. TRUE OR FALSE

In all empirical or rational or investigative statements, one has to base statement on..what?

Starting with One Cell describe step by step the process of Meiosis I in males and females (they have different end results). How many viable cells are there for the male and for the female at the end of Meiosis I?

1. Immunoglubulins _______.

a Bind antigens with a 1:1 stoichiometry

b Are produced and secreted by macrophages

c Bind tightly to their antigens

d Form four classes of antibodies

2. Which description is associated with immunoglobulin G?

a Most abundant immunoglobulin

b Consists of one heavy and one light chain

c Consists of two Fc fragments and two Fab fragments

d Important in allergic response

3. The molecular structure for which an individual antibody or T-cell receptor is specific is known as _____.

a An epitope

b An immunoglobulin fold

c Its target

d An immune response

4. Which of the following statements is true about using the Hill equation?

a Log Kd must be concerted to log P50

b It is possible to observe negative cooperativity

c It will never be 1 for a multisubunit protein

d It cannot be applied to noncooperative binding

5. Regarding the models of cooperativity, _________.

a The concerted model and the sequential model are mutually exclusive

b The concerted model is based on the T state and the sequential on the R state

c T state is low affinity and R state is high affinity

d These models, strictly speaking, only apply to tetramers.

What are the components of agarose gel electrophoresis set up?

Use the mRNA codon chart to translate this DNA message:

1. List the sequence of amino acids in this chain
2. Suppose the sixth base in the DNA chain was an A instead of a C. How would this affect the protein

            produced?

3. What is the name given to this type of mutation in a protein chain? Explain

Which of the following bird species are most closely related?

       A. Picoides borealis and Phylloscopus borealis

       B. Numenius borealis and Picoides borealis sapiens

      C. Numenius americanus and Grus Americana

      D. Picoides villosus and Picoides borealis

The similarity of the embryos of chickens and humans is evidence of ________.

       A. biochemical similarities

       B. developmental similarities

       C. morphological similarities

       D. biogeography

If the coat of a virus about to attack a bacterium is labeled with radioactive sulfur and the DNA is labeled with

                 radioactive phosphorous, over time

1. both the sulfur and the phosphorous will be found within the bacterium
2. only the sulfur will be found inside the bacterium
3. only the phosphorous will be found inside the bacterium
4. both the sulfur and the phosphorous will be found outside the bacterium

The joining of amino acid 2 to amino acid 3 (letter "D") will be by

what affects gaseous tissue

Discuss the factors such as infection,diet,lifesytle and emotions impact on the effective functioning of the immune system

3. How does transcription and RNA processing in eukaryotes differ from the same processes in prokaryotes?

Before sitting down you ate a bunch of sugar cookies and drank a soda (not diet!). Explain the effect of this meal on liver glycogen metabolism. Make sure to include relevant hormones and enzymes.

Discuss the major features of acquired immunity and innate immunity (2×10 marks)

2. Draw a eukaryotic gene with 5 exons, indicating all sequences needed for transcription, RNA processing and translation. Draw the same gene as an mRNA, post processing, indicating all regions that function for stability and translation.