Newest biology Questions | Wyzant Ask An Expert

10/23/19

How does Alzheimer's disease and epigenetics relate?

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Biology

10/23/19

Slowing of the Cell Cycle

When treating cancer, I've heard of the ideas to use chemotherapy and radiation. But what if someone were able to slow the cell cycle down so the cancerous cells would go through inter-phase,... more

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Biology

10/23/19

Describe what happens to two homologous chromosomes as they go through (A) S phase, (B) prophase, (C) metaphase, and (D) anaphase of mitosis.

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Biology

10/23/19

How would filamentous green algae look like in a hypertonic solution?

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Answers •1

Biology

10/22/19

According to the diagram, how is nitrogen returned to the soil from animals?

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Answers •1

Biology

10/22/19

Compare how O2 production and CO2 consumption are linked in the chloroplast to the way O2 consumption and CO2 production are linked in mitochondria

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Answers •1

Biology

10/22/19

What happens first: In transport of impermeable solutes across a membrane:

Influx of Na+ into the cell down its concentration gradient or ATP-dependent active transport of Na+ ions out of the cell? Explain

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Answers •1

Biology

10/22/19

Explain how, when the membranes are fused, the polar parts of the phospholipids from one cell will interact with the phospholipids from the other cell

Full Question: The membranes of both B cells and the cancer cells are largely composed of phospholipids. Explain how, when the membranes are fused, the polar parts of the phospholipids from one... more

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Biology

10/22/19

Why is it important that the cell membrane is highly selective?

Is it to allow movement of materials in and out the cell or to prevent it?

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Answers •2

Biology

10/22/19

Cyanide binds to the iron in cytochrome c oxidase (Complex IV) and prevents this enzyme from transferring electrons to oxygen. Describe how this would change

a. How oxygen is used b. The proton gradient c) ATP levels

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Answers •1

Biology

10/22/19

Does active transport or passive transport of protons make the gradient? During ATP synthesis, is it active transport or passive transport ?

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Answers •1

Biology Biopsychology

10/21/19

How does diabetes and epigenetics relate?

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Answers •1

Biology Biopsychology

10/21/19

Human phenotypic question

Identify a change in one or more aspects of a human phenotypic traits that you perceive as changing over time.How are the changes in the phenotypes being transmitted?Do you think the changes you... more

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Biology Biopsychology

10/21/19

Identify some traits that you think is changing in humans today.

Physical, behavioral, or health-related. Are they changing due to a slow (genetic/evolutionary) process or a faster (epigenetic) process? Why?

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Biology

10/21/19

I am making a dating profile for a nucleolus and a I need a pick-up line, a hashtag, a bio, and a theme song.

Need help asap please tell all

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Biology Genetics

10/21/19

What are human genetic traits that are easily observed?

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Answers •2

Biology

10/20/19

What is the difference between controlled variables and controls?

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Answers •1

Biology Biopsychology Phenotypes

10/20/19

How are the changes in the phenotypes being transmitted?

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Answers •3

Biology Biopsychology Phenotypes

10/20/19

What are some human phenotypic traits that you perceive as changing over time?

Follows • 1

Answers •1

Biology Math Science Anatomy

10/19/19

What are the common characteristics of this bacteria?

For my microbiology class, we are working on an unknown project where we have to find out what bacteria is given to us through a series of tests. I was assigned Staphylococcus saprophyticus as one... more

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Answers •1

Biology

10/19/19

Describe the “investment phase” of glycolysis (including all the reactions) using the concept of free energy

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Answers •1

Biology

10/19/19

Which salt solution would best approximate the water potential in potato cells? (0%, 0.9%, 5%, 10%, or 15%) How do you know this?

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Answers •1

Biology

10/19/19

What influence on diffusion (i.e. temperature, pressure, concentration) would cause the curves for bags C and D, for example, to eventually to become horizontal (I.e. have a slope of 0?)

Follows • 2

Answers •1

Biology

10/19/19

How does the slope of a segment of a curve relate to the rate of diffusion?

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Answers •1

Biology Biopsychology Phenotypes

10/18/19

Human phenotypic question

Identify a change in one or more aspects of a human phenotypic traits that you perceive as changing over time.How are the changes in the phenotypes being transmitted? Do you think the changes you... more

Follows • 1

Answers •1

How does Alzheimer's disease and epigenetics relate?

Slowing of the Cell Cycle

Describe what happens to two homologous chromosomes as they go through (A) S phase, (B) prophase, (C) metaphase, and (D) anaphase of mitosis.

How would filamentous green algae look like in a hypertonic solution?

According to the diagram, how is nitrogen returned to the soil from animals?

Compare how O2 production and CO2 consumption are linked in the chloroplast to the way O2 consumption and CO2 production are linked in mitochondria

What happens first: In transport of impermeable solutes across a membrane:

Explain how, when the membranes are fused, the polar parts of the phospholipids from one cell will interact with the phospholipids from the other cell

Why is it important that the cell membrane is highly selective?

Cyanide binds to the iron in cytochrome c oxidase (Complex IV) and prevents this enzyme from transferring electrons to oxygen. Describe how this would change

Does active transport or passive transport of protons make the gradient? During ATP synthesis, is it active transport or passive transport ?

How does diabetes and epigenetics relate?

Human phenotypic question

Identify some traits that you think is changing in humans today.

I am making a dating profile for a nucleolus and a I need a pick-up line, a hashtag, a bio, and a theme song.

What are human genetic traits that are easily observed?

What is the difference between controlled variables and controls?

How are the changes in the phenotypes being transmitted?

What are some human phenotypic traits that you perceive as changing over time?

What are the common characteristics of this bacteria?

Describe the “investment phase” of glycolysis (including all the reactions) using the concept of free energy

Which salt solution would best approximate the water potential in potato cells? (0%, 0.9%, 5%, 10%, or 15%) How do you know this?

What influence on diffusion (i.e. temperature, pressure, concentration) would cause the curves for bags C and D, for example, to eventually to become horizontal (I.e. have a slope of 0?)

How does the slope of a segment of a curve relate to the rate of diffusion?

Human phenotypic question

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