Biochemistryacademic

What is a surplus of energy in a hydrated alkaline environment?

What type of macromolecule is an enzyme?

Where is energy stored in an ATP molecule?

"Which of the following reactions (or set of reactions) are endergonic and which are exergonic? a. O2 → H2O b. ATP → ADP+Pi c. Glucose → pyruvate d. NAD+ → NADH"

The basic building blocks of proteins are called amino acids. In a protein, amino acids are held together by peptide bonds. Why are proteins essential to all life?

What are the top ten most abundant elements in the human body?

Curved arrows are used to illustrate the flow of electrons. Use the reaction conditions provided and follow the curved arrows to draw the hydrocarbon product of the following reaction. Include all lone pairs and charges as appropriate. Ignore inorganic byproducts.

The main functions of nucleic acids are to what?

Why does the sodium-potassium pump have a 3:2 ratio?

You are given either an aldehyde or ketone in the assignment, draw the major organic product that results from the deuteration of the given carbonyl compound.

What are the sides of a DNA molecule made up of?

"ATP is NOT a nucleoside because it ________. A. Has three phosphates instead of just one B. Lacks the deoxyribosyl group C. Has phosphate groups D. Is not connected to a carbohydrate group"

"Select the statement that best describes a biosynthesis reaction. A. Bonds in a large organic molecule are broken to form smaller organic molecules. B. Breakdown of polysaccharides to form monosaccharides. C. Exchange of bonds within organic molecules to form different organic molecules. D. Formation of bonds between small organic molecules to form larger organic molecules."

"Question: Which best describes a saturated fatty acid? A. It is a liquid at room temperature. B. It is a solid at room temperature. C. It contains double bonds between carbon atoms. D. It contains triple bonds between carbon atoms."

What molecules make up the sides of a DNA molecule?

What is the process of glycolysis, including its reactants and products?

"An enzyme can only bind one reactant at a time. True or False A. True B. False"

"Select all of the following that apply to missense mutations. They are often harmful or even fatal. They are a type of point mutation. They potentially, but rarely, result in a better protein. The sickle cell mutation in hemoglobin is an example. They involve the replacement of one DNA nucleotide with another."

What are the three components of a phospholipid?

"Fill in the blank: To cause cancer, proto-oncogenes require _____ allele(s) to be mutated and therefore are considered ________. The mutation results in a ___ of function."

What is wrong with the following piece of mRNA? TACCAGGATCACTTTGCCA

Which choices are real numbers? Check all that apply. A. $(-16)^{1 / 4}$ B. $(-4)^{1 / 2}$ C. $(-32)^{1 / 5}$ D. $(-8)^{1 / 3}$

Why is RNA necessary to act as a messenger? Why can't the code be taken directly from the DNA?

Which base is found in RNA but not in DNA? A. adenine B. guanine C. uracil D. cytosine

What are the four major categories of macromolecules? Describe the basic structures and primary functions of each.

Which functional group(s) are found in Asn? (CHECK THE ONE(S) THAT IS/ARE CORRECT) Question 4 options: 1) amide 2) primary amine 3) carboxylate 4) aldehyde

What foods contain nucleic acids?

Name the four macromolecules, their functions, and their monomers.

What are the three parts of a DNA nucleotide, and how are they connected to each other?

What is the relationship between mMol/L and meq/L?

Roughly 2/3 (by mass) of an E. coli cell is water, and roughly 50% of the remaining mass is protein. The average protein in E. coli consists of 350 amino acids, and amin acids on average mass roughly 100g per mole. Hint: Recall that a mole is 6.023 x 10^23 particles. a. Estimate the number of protein molecules in a single E. coli cell. b. Estimate the average distance between two protein molecules within an E. coli cell, Hint; If the total volume of the cell were divided evenly among all the proteins in the cell, how big of a volume would each protein have? If that volume were a cube, how big would it edges be? c. The average diameter of a protein molecule is 4 nm. How does the average separation between proteins compare to their size? d. What does your answer to c. tell you about the crowding of the cell?

How is the trigonal pyramidal geometry related to the tetrahedral geometry?

What are the monomers that make up a DNA polymer?

What are the three parts of the RNA nucleotide?

Where, specifically, does the citric acid cycle (Krebs cycle) occur?

Identify each bond between the component atoms as: Sigma bonds (single bonds) One sigma bond and one pi bond (double bonds) One sigma bond and two pi bonds (triple bonds)

What are the two functions of DNA polymerase? What is the significance of these functions?

What is a main function of lipids?

Question: Identify the components contained in each of the following lipids. Part A glycerophospholipid Check all that apply. Check all that apply. glycerol fatty acid phosphate amino alcohol steroid nucleus Identify the components contained in each of the following lipids. Part A glycerophospholipid Check all that apply. Check all that apply. glycerol fatty acid phosphate amino alcohol steroid nucleus sphingosine SubmitMy AnswersGive Up Part B sphingomyelin Check all that apply. Check all that apply. glycerol fatty acid phosphate amino alcohol steroid nucleus sphingosine SubmitMy AnswersGive Up Part C aldosterone Check all that apply. Check all that apply. glycerol fatty acid phosphate amino alcohol steroid nucleus sphingosine SubmitMy AnswersGive Up Part D linoleic acid Check all that apply. Check all that apply. glycerol fatty acid phosphate amino alcohol steroid nucleus sphingosine

A nucleotide of DNA may contain adenine, guanine, cytosine, or thymine. What is each of these components?