Questions
What recent evidence has suggested that peroxisomes did not arise via endosymbiosis?

What recent evidence has suggested that peroxisomes did not arise via endosymbiosis?

In: Biology

*minimum 250 words Imagine that you are enjoying a delicious dinner with friends and family of...

*minimum 250 words

Imagine that you are enjoying a delicious dinner with friends and family of various ages (age 6 to age 81) (who are not scientists or science majors and are not familiar with the topic), and the topic of photosythesis is brought up. How would you explain the process of photoynthesis and its importance for our planet to those of all ages around the table? Feel free to give several different explanations to target various age groups......

In: Biology

Based on laboratory testing, it was discovered that the Doubling Time for E.coli at 25oC is...

Based on laboratory testing, it was discovered that the Doubling Time for E.coli at 25oC is 40 min. Also, based on laboratory testing, it was discovered that E.coli die at 45oC.

Fill in the table with the estimated number of bacteria:

Time (min)

0

30

60

120

200

400

600

# of E.coli at 25 oC

1

# of E.coli at 37 oC

1

In: Biology

Why is it important to randomly select your plots when sampling species diversity?

Why is it important to randomly select your plots when sampling species diversity?

In: Biology

In a population of 16,000 people, 67 are affected with a mild autosomal recessive condition. What...

In a population of 16,000 people, 67 are affected with a mild autosomal recessive condition. What is the estimated number of carriers for this condition in this population?

In: Biology

Describe the molecular mechanisms of mitochondrial ATP synthesis biochem

Describe the molecular mechanisms of mitochondrial ATP synthesis

biochem

In: Biology

A couple have experienced multiple miscarriages, and a balanced translocation is suspected to be the cause....

A couple have experienced multiple miscarriages, and a balanced translocation is suspected to be the cause. Which form of genetic testing would be most appropriate?

a. Microarray

b. Karyotype

c. Amniocentesis

d. Next-gen sequencing

Continuing from the last question, who should be tested first? a. The man b. The woman c. Neither partner takes priority

In: Biology

Describe the β-oxidation of the fatty acid palmitate. biochem question

Describe the β-oxidation of the fatty acid palmitate.

biochem question

In: Biology

Which of the following does not bind to Fc receptors? a. whole Ig b. fc c....

Which of the following does not bind to Fc receptors? a. whole Ig b. fc c. heavy chain d. light chain

In: Biology

The enzyme HIV-1 reverse transcriptae (HIV-RT) plays a significant role for the HIV virus and is...

The enzyme HIV-1 reverse transcriptae (HIV-RT) plays a significant role for the HIV virus and is an important drug target. Assume a concentration [E] of 2.00 µM (i.e. 2.00 x 10-6 mol/l) for HIV-RT. Two potential drug molecules, D1 and D2, were identified, which form stable complexes with the HIV-RT.

The dissociation constant of the complex ED1 formed by HIV-RT and the drug D1 is 1.00 nM (i.e. 1.00 x 10-9 mol/l). The dissociation constant of the complex ED2 formed by HIV-RT and the drug D2 is 100 nM (i.e. 1.00 x 10-7 mol/l).

Compute the total concentration of [D1]tot that is needed to bind 90% of the HIV-RT at the given concentration [E]tot.You do NOT have to consider competition betwwen the drugs D1 and D2! They are administered separately.

Compute the total concentration of [D2]tot that is needed to bind 90% of the HIV-RT at the given concentration [E]tot. You do NOT have to consider competition between the drugs D1 and D2! They are administered separately.

In: Biology

What is the order for monoclonal antibody production? Growth of hybridoma cells Plasma cells isolated from...

What is the order for monoclonal antibody production?

Growth of hybridoma cells
Plasma cells isolated from mouse spleen
Growth of plasma cells
Immunisation of mouse spleen
Growth of myeloma cells
Fusion of plasma cells and myeloma cells

In: Biology

a. (20 point) Explain the transcription steps in order. Which molecules take roles? (you can draw...

a. (20 point) Explain the transcription steps in order. Which molecules take roles? (you can draw and explain)

b. (20 points) How a ribosome work for protein synthesis? (you can draw and explain)

c. (20 points) What is the molecular mechanisms of Coronavirus entry into cell, explain.

In: Biology

What is a latent virus? Name two animal viruses that can cause latent viral infections and...

What is a latent virus? Name two animal viruses that can cause latent viral infections and discuss means of prevention and/or treatment of either.

In: Biology

The restriction endonuclease BamH1 has the recognition sequence G/GATCC and Sau3A the recognition sequence /GATC. Genomic...

The restriction endonuclease BamH1 has the recognition sequence G/GATCC and Sau3A the recognition sequence /GATC. Genomic DNA (G/C content = 56%) is digested with Sau3A and ligated into a vector digested with BamH1. What percentage of fragments could potentially be ligated into the vector and what is the average fragment length of the insert DNA?

In: Biology

Define a zoonose. Explain why control of zoonotic infectious disease within the human population does not...

Define a zoonose. Explain why control of zoonotic infectious disease within the human population does not eliminate it as a public health concern. Identify three zoonotic infectious diseases, where they are found in non- human populations, and how the can be transferred to humans.

In: Biology