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Biology Tutor

09/27/17

Gradients and ion channels

Ions diffuse across membranes through specific ion channels down.. Please explain answer as to why that is the answer

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Biology Tutor

09/27/17

types of bonds

Why does water have a high specific heat? Please explain the answer.

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Biology Tutor

09/20/17

We loaded purified plasmid DNA into 4 individual lanes of an agarose gel. Using the diagram on the right, draw bands of appropriate size where you would expect to see them after electrophoresis.... more

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Biology Tutor

09/19/17

explain what would happen if a reactant molecule with a different shape to the enzyme came into contact with the enzymes active site?

9th grade biology

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Biology Tutor

09/12/17

The Central Dogma of Molecular Biology

The Central Dogma of Molecular Biology describes the flow of information in a cell. Briefly name and describe the two key processes that the cell performs in order to transmit and utilize genetic... more

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Biology Tutor

09/11/17

Mutant yeast

A mutant yeast strain is found with a mutation affecting a tRNATyr. The wild type normally produces a tRNA that recognizes the codon 5’-UAC-3’, and is charged with the amino acid Tyrosine (Tyr) –... more

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Biology Tutor

09/11/17

molecular strategy

Unfertilized eggs of several animal species contain many mRNAs that should not be translated until fertilization occurs. Describe a molecular strategy employed by the egg to ensure timely activity... more

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Biology Tutor

09/09/17

help me find the independent and the dependent, as well as cause

A study was done to find if different tir treads affects the breaking distance of a car.

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Biology Tutor

09/09/17

Chromosome question cell cycle

The same chromosome can look very different depending on when in the cell cycle it is observed. Why is that? How many DNA molecules does each chromosome contain at its most condensed? Use the... more

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Biology Tutor

09/08/17

I need to know how to set up the problem, a format.

Calculate the pH for a solution with [H+] = 1 x 10-4. pH =_______

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Biology Tutor

09/08/17

A solution with a pH of 2.0 is how many times more acidic than than a solution with a pH of 4.0?

A solution with a pH of 2.0 is how many times more acidic than a solution with a pH of 4,0?

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Biology Tutor

09/08/17

ph balance with a [H+]

How do I calculate the pH for a solution with [H+] = 1 x 10-4. pH = ______________

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Biology Tutor

09/08/17

How to calculate the pH for a solution with [H] positive = 1 x 10 to the negative 4 power. pH = ___

How do you calculate the pH for a solution with [H] positive = 1 x 10 to the negative 4 power. pH = ___________

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Biology Tutor

09/06/17

DNA question

Below is a theoretical section of DNA. Design two primers that are 10 base pairs (bp) long that will amplify this section of DNA in a PCR reaction (‘N’ refers to non-specific ‘nucleotide’). 3’–A C... more

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Biology Tutor

09/06/17

Assuming that you collected the DNA of 100 buccal cells, how many ng DNA did you collect?

Needed information: MW of 1bp = approx. 660 Dalton or 660 or 660g/mol; 1 Human haploid genome = 3 x 10^9 bp per cell

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Biology Tutor Science Biology Anatomy And Physiology

08/29/17

Cardiac cycle

Rearrange the sentences A to H to show the sequence of blood flow during cardiac cycleA:Atria receive blood from veins and store it prior to each heart beatB:Ventricular diastoleC:Pressure of Right... more

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Biology Tutor

06/24/17

What is a fluid-filled region between the plasma membrane and nucleus and what is it filled with?

biology please I cant seem to understand this thanks for your time and help

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Biology Tutor Biology Microbiology Ap Biology

04/30/17

What are the different processes through which eggs and sperm are produced and why each is more prone to a different kind of genetic error?

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Biology Tutor Biology Biochemistry Cellular Biology

04/28/17

Asking what is the heart disorder/condition? ECG showed no P Wave

A young woman was at the gym doing great her normal workout. She would spend 45 minutes on the elliptical and then 15 minutes doing weight training. This was the regular routine for her as she did... more

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Biology Tutor

04/20/17

A plant grows at a rate of 3 mm/year. What is that in m/min?

It's a math question but for biology and I need a lot of help on it. And I do not really understand it.

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Biology Tutor

04/04/17

6. In which part of the root do you expect to find the highest rate of mitosis? (2

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Biology Tutor

04/04/17

Explain the effect of changing the available light wavelengths on the production of sugar.

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Biology Tutor

04/04/17

Explain the effect of changing the temperature on the production of sugar by photosynthesis.

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Biology Tutor

04/04/17

Explain why (and in what proportion) there is always more oxygen produced than sugar by photosynthesis?

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Biology Tutor

03/27/17

Which of these is not a difference between the male and female reproductive systems?

Biology female and male reproductive systems

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Gradients and ion channels

types of bonds

DNA question Bluescript

explain what would happen if a reactant molecule with a different shape to the enzyme came into contact with the enzymes active site?

The Central Dogma of Molecular Biology

Mutant yeast

molecular strategy

help me find the independent and the dependent, as well as cause

Chromosome question cell cycle

I need to know how to set up the problem, a format.

A solution with a pH of 2.0 is how many times more acidic than than a solution with a pH of 4.0?

ph balance with a [H+]

How to calculate the pH for a solution with [H] positive = 1 x 10 to the negative 4 power. pH = ___

DNA question

Assuming that you collected the DNA of 100 buccal cells, how many ng DNA did you collect?

Cardiac cycle

What is a fluid-filled region between the plasma membrane and nucleus and what is it filled with?

What are the different processes through which eggs and sperm are produced and why each is more prone to a different kind of genetic error?

Asking what is the heart disorder/condition? ECG showed no P Wave

A plant grows at a rate of 3 mm/year. What is that in m/min?

6. In which part of the root do you expect to find the highest rate of mitosis? (2

Explain the effect of changing the available light wavelengths on the production of sugar.

Explain the effect of changing the temperature on the production of sugar by photosynthesis.

Explain why (and in what proportion) there is always more oxygen produced than sugar by photosynthesis?

Which of these is not a difference between the male and female reproductive systems?

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