1,722 Answered Questions for the topic biochemistry

Biochemistry Biology Microbiology

04/04/20

I HAVE BIO QUESTIONS I NEED HELP ON!!!
1) What is the purpose of using I2KI when determining amylase activity? 2) How do enzymes speed up reactions? Be brief but specific in your description. 3) How does temperature and pH affect the... more
Follows • 1
Expert Answers •2

04/02/20

When a 28.4 mL sample of a 0.416 M aqueous hydrofluoric acid solution is titrated with a 0.418 M aqueous potassium hydroxide solution,
When a 28.4 mL sample of a 0.416 M aqueous hydrofluoric acid solution is titrated with a 0.418 M aqueous potassium hydroxide solution,(1) What is the pH at the midpoint in the titration? (2) What... more
Follows • 1
Expert Answers •1
Biochemistry Math Chemistry

04/02/20

how many grams of iron are needed to produce
How many grams of iron are needed to produce 36.4 L of hydrogen gas according to the following reaction at 25 °C and 1 atm?iron (s) + hydrochloric acid(aq)iron(II)... more
Follows • 2
Expert Answers •1

04/01/20

a sample of oxygen, helium-filled ballon?
A sample of oxygen gas occupies a volume of 7.02 L at 52.0°C and 0.650 atm.If it is desired to decrease the volume of the gas sample to 4.59 L, while increasing its pressure to 0.800 atm, the... more
Follows • 2
Expert Answers •1
Biochemistry

03/31/20

Type 1 and 2 Diabetes
Diabetes is characterized by the over production of glucose by the liver. Describe the biochemical differences between Type 1 and Type 2 diabetes, and how this leads to high blood sugar in both... more
Follows • 2
Expert Answers •1

03/31/20

Chemistry question about ionic compound
In chemistry, any ionic compound (soluble or insoluble) that is formed from a reaction between an acid and a base is called a(n) _________. ionic compound substance salt product neutralization
Follows • 2
Expert Answers •1

03/30/20

Chemistry question about amphiprotic species
Which of these species are amphiprotic? Select all that are correct. H2PO4- H2O HSO4- Cl- H3PO4
Follows • 2
Expert Answers •1

03/30/20

Chemistry question about buffers
Which sets of substances can act as buffers? Select all that are correct. NH3 and NH4Cl HNO2 and NaNO2 NaOH and NaCl NH3 and HCl HCl and NaCl I would like understand why some substances can... more
Follows • 2
Expert Answers •1

03/30/20

Chemistry question about properties of acids.
What properties do acids have in common? Select all that apply. They are caused by acid rain. They make some pigments change color. They are all solid substances. They react with metals to form... more
Follows • 2
Expert Answers •1

03/29/20

Chemistry question about colligative properties
Colligative properties are properties of solutions that depend on __________________ . only the number of ions dissolved whether the solute is an electrolyte or a non-electrolyte the charges of the... more
Follows • 2
Expert Answers •1

03/29/20

Chemistry question about solutions
Why do we use salt on ice in cold weather? The combination increases the boiling point of the ice, making it melt faster. The combination increases the vapor pressure of the ice, so it evaporates... more
Follows • 2
Expert Answers •1

03/28/20

Chemistry question about solutions

Select the best term that completes this statement: Solvents dissolve solutes because the two substances have ________________ intermolecular... more
Follows • 2
Expert Answers •1

03/27/20

Chemistry question about basis of dilution
The fundamental basis of the dilution equation is the idea that ______________________ . the amount of solute stays constant. the amount of solvent stays constant the solute is soluble in any... more
Follows • 1
Expert Answers •1

03/27/20

Chemistry question about solutions (acid and basic)
What ultimately occurs in the ionization process of a weak acid or base? It eventually reverses completely to reform the un-ionized acid or base molecules It eventually goes 100% to completion. It... more
Follows • 2
Expert Answers •1

03/27/20

Chemistry question about chemical equilibrium
Why is a chemical equilibrium considered a dynamic equilibrium? Because both forward and reverse reactions continue, even though there is no net change. Because there is no net change in the... more
Follows • 2
Expert Answers •1

03/26/20

Chemistry MATH Question 1
A rate is equal to 0.0200 M/s. If [A] = 0.100 M and rate = k[A]0[B]2, what is the new rate if the concentration of [A] is increased to 0.200 M?
Follows • 2
Expert Answers •1

03/25/20

How is a balanced chemical equation similar to a recipe? Explain and give examples.
Please explain it clearly for me. I really need help.
Follows • 1
Expert Answers •1
Biochemistry Biology Physiology Mcat

03/21/20

Why do people get varicose veins
Follows • 1
Expert Answers •2
Biochemistry

03/14/20

Biochemistry for NBDE
Follows • 1
Expert Answers •1
Biochemistry

03/14/20

Which of the following statements is FALSE?

a. Enzymes speed up the attainment of a reaction equilibrium. b. Enzymes make reactions 10^3 to 10^20 times faster. c. Enzymes are chemically unchanged during the actual catalytic process. d.... more
Follows • 1
Expert Answers •1
Biochemistry

03/14/20

In an enzyme reaction involving one enzyme and one substrate, the rate of the reaction depends on

a. both substrate and enzyme concentrations. b. enzyme concentration. c. the enzyme concentration at first and the substrate concentration later on. d. substrate concentration. e. All of the above... more
Follows • 1
Expert Answers •1
Biochemistry

03/14/20

An inhibitor binds to a site other than the active site of the enzyme. Which statement below correlates with this observation?

a. The inhibition must be irreversible. b. It could be noncompetitive or uncompetitive inhibition. c. It must be a competitive inhibitor. d. It could be irreversible, competitive, noncompetitive or... more
Follows • 2
Expert Answers •1
Biochemistry

03/14/20

What is the effect of incubating a mixture of RNA and DNA with 0.1 M NaOH?
a. DNA is hydrolyzed to nucleoside monophosphates.b. No effect. RNA and DNA are resistant to base hydrolysis.c. RNA is hydrolyzed to nucleoside monophosphates.d. Both RNA and DNA are hydrolyzed to... more
Follows • 1
Expert Answers •1

02/27/20

How many bacteria will be there if the starting number of bacteria is 2 and the total time is 2 hrs. Generation time is 20 minutes
Follows • 1
Expert Answers •1
Biochemistry Chemistry

02/26/20

Calculate the mass/volume percent (m/v) of 25.0 g g NaCl in 58.0 mL of solution.
Follows • 2
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.