In the FAB classification of leukemia, Acute Myelomonocytic Leukemia is:  

a. M1

b. M2

c. M3

d. M4

e. M5

Which FAB classification is represented by the following data:

Blasts comprise 50% of the nucleated cells in the peripheral blood

30% of blasts are Peroxidase weakly positive

Most Blasts are non-specific esterase positive

All Blasts are specific esterase negative      

a. M2

b. M3

c. M5

d. M6

e. M7

Please answer this question ASAP an explain in detail. I really need it before the night is over.

a) Explain what a catalytic process is and how it is different from the non-catalytic version of the process. Give an example of an enzymatic process other than amylase and describe the substrate(s)/product(s):

b) Describe what the enzyme amylase does and what would happen in the absence of this enzyme:

How would you describe bulk density of soil to a non-scientist? Include some examples of bulk densities and your interpretation of those values.

Living things are over 70% water. This is central to life of earth. Explain how the structure of water directly relates to its role at the solvent of life. Include in your discussion the geometry and shape of the water molecule, the approximate angle formed within and why this angle forms, how water molecules interact with each other, and how this directly relates to its role as the principle component in living things. Also include in your description why the ability of the water molecule to ionize is important to living processes, as well as what role structured water plays in a cell. Would living things be able to be composed of 70% sand? Why or why not? Does this design of water as the perfect solvent of life speak to an all-knowing God as the creator and designer of all living things?

The PFK1 enzyme is regulated by a number of factors in the cell, including the level of ATP. ATP is not only

involved in the reaction the enzyme catalyses but also binds to an allosteric site leading to a reduction in

activity.

The binding of ATP can be measured using a fluorescently labelled derivative of ATP – TNP-ATP. The data

presented below represents the determination of the binding of ATP to PFK. The change in fluorescence (?

fluor.) represents the concentration of PFK1 with TNP-ATP bound. This value was determined at 5

different concentrations of TNP-ATP, and the experiment was carried out in triplicate.

a) Create a double reciprocal plot of this data (1/[TNP-ATP] vs. 1/ ? fluor.). Plot the data from

each experiment as a separate dataset on the same graph. Only plot the data points – do

not join data points with lines. Ensure that each dataset is distinct from the others (use

alternate colours and/or shapes for the data points).

b) Fit an equation to each dataset separately. Do not show these on your plots. For each

experiment give the fitted equation and the value of Kd. Show these in a table. Ensure you

include the units of this value. Show your working for the Experiment 1 data.

c) Determine the mean and standard deviation of the data for each concentration of TNPATP.

Show these in a table. Transform this data as you have done in (a). Fit an equation to

the transformed data. Give the fitted equation and the calculated Kd for the averaged

data. Add a trendline defined by this equation to your graph.

d) With reference the data you plotted and Kd values you determined, explain the positive

and negative aspects of using a double reciprocal plot.

4. What is the law of independent assortment and what features of the cell cycle contribute to this phenomenon? Please be specific and concise.

5. briefly explain why is it possible to have a calico cat that is male?

6. Why don't we get insulin from pigs anymore to treat diabetes? Please be concise.

1) in this scenario - you are in charge of establishing a fully-functional, microbiology diagnostic laboratory. Describe the issues you need to consider and the processes you would need to put in place. This will need to include: an overarching aim of the laboratory, regulations to ensure you adhere to quality assurance measures and then there is a framework of the procedures.

Mr. Mark is a 42 year male of African origin. He has a demanding desk-based job and frequently has to work long hours. He rarely eats regular meals and so has developed a habit of snacking on foods with high salt, fat and sugar contents. He routinely drinks at least 4 cups of coffee a day and at least one bottle of coca cola. Recently he has noticed that he has put on weight and easily gets out of breath when walking, he feels tired on waking, often suffers muscular aches and pains and experiences bouts of anxiety over his workload.

Using four of the systems from the list below, explain what steps Mr. Mark should take to improve his overall physical and mental health. Include in your answer how the body systems you have selected work together to normalize body functions. Include homeostasis. 500 words Human body systems

• The endocrine system

• The nervous system

• The cardiovascular system

• The respiratory system

Question 1:

Why is it important to provide detailed information about the methods used in an experiment?

Question 2:

Convert 0.75 lb to mg?

For the calculation show all the steps in the calculation and final answer.

What are the different forms of extracellular signaling

Mitosis and Meiosis True/ False:

True or false?

1. The centromeres of metacentric chromosomes are located toward one end of the chromosome.

2. The attachment point on the chromosome for spindle microtubules is on the Telomere.

3. In the metaphase of mitosis, the number of chromosomes per cell is doubled compared to the interphase cell.

4. Mitosis occurs in somatic (nonsex) cells; Meiosis occurs in sex cells to produce gametes.

5. Cells with half the total chromosome number are called haploid.

6. Crossing over (genetic recombination) occurs between sister chromatids of the same chromosome.

7. Crossing over between chromatids of homologous chromosomes occurs in meiosis prohase II.

8. Meiosis results in only one member of each chromosome pair in the nucleus of the cell.

9. Humans have 46 chromosomes. In the cell during metaphase I of meiosis, the chromosome number is 23.

10. Mitosis produces daughter cells with identical genetic materials; meiosis produces four daughter cells with different genetic materials.

11. Chromosomes are randomly partitioned during Meisosi I anaphase, contributing to genetic diversity.

12. If a pollen mother cell has 3 pairs of homologous chromosomes, after meiosis, there will be 8 different combinations of chromosomes in the gametes.

1. Did you find similarities among the different bacterial cultures colony morphology?

2. What are some other ways to differentiate bacteria, if the the colony morphology is similar?

12. In simple diffusion a solute

A. Is propelled by random molecular motion

B. Moves up its concentration gradient

C. Moves across a membrane because of an input of free energy.

D. Both A and B are correct

E. All of the above are correct

16. Lipolysis is used to

A. Degrade triacylglycerols

B. Prepare triacylglycerols for excretion

C. Remove lipid from membrane

D. Cleave fatty acids into two carbon units

E. Convert fatty acids to glucose

19. The myelin sheath

A. Surrounds nerve cell axons

B. Contains large amounts of cardiolipin

C. Facilitates nerve impulse transmission

D. Both A and B are correct

E. Both A and C are correct

20. Membrane proteins are linked to anchor molecules through a ___________ link

A. Ether

B. Ester

C. Amide

D. Amino

E. Plasma

22. Patients with familial hypercholesterolemia

A. Possess depressed levels of plasma cholesterol

B. Have missing or defective LDL receptors

C. Are homozygous or heterozygous for a nonfunctional LDL receptor gene

D. Have very high levels of serum cholesterol

E. B, C and D are correct