Atp Is Energy

ATP is the energy unit of cells. Specifically, what biological molecule is it?

protein

amino acid

glycogen

nucleotide

Chitin is most similar to __________.

cholesterol

cellulose

insulin

testosterone

Cigarette smoke is said to be carcinogenic because it causes mutations to form in the DNA. If DNA has a mutation, what other molecules will also become mutated?

RNA and proteins

sugar molecules and proteins

triglycerides and RNA

phospholipids and proteins

Carbon tends to form large molecules because of its capability to form ______ bonds with several other atoms.

ionic

organic

hydrogen

covalent

inorganic

Consumption of what type of fats helps you obtain a healthy ratio of LDL to HDL?

cholesterol

polyunsaturated fats with omega-3s

trans fats

monounsaturated fats

DNA is to nucleic acid as wax is to__________.

lipid

nucleic acid

cholesterol

protein

Four is to nucleic acids as ___________ is to proteins.

20

1

4

2

HDL is to LDL as testosterone is to _______.

lipoprotein

cholesterol

The Essay on Receptor Protein Cell Signal Molecule

Receptor Protein - Protein that binds to a specific single molecule, enabling the cell to respond to the signal molecule. i. e. - The muscles of a person exercising can not contract without receptor proteins and signal molecules that tell the muscles when to contract and when to relax. Second Messenger - Signal molecule produced in response to the binding of a chemical signal. Acts as a signal ...

triglyceride

protein

If a cell is unable to make RNA it will also be unable to make ___________.

protein

nucleic acids

triglycerides

glycogen

If your diet is deficient in glucose, it will be hard for you to make ______.

lipids

proteins

nucleic acids

glycogen

1If you isolate a polymer of nucleotides, the polymer is most likely ___________.

glycogen

nucleic acids

a protein

triglycerides

If you are able to isolate a molecule with a phosphate group, the molecule is most likely a(n) ____________.

RNA

triglyceride

protein

amino acid

If you isolate a fatty acid with one double bond, you know the fatty acid is a ________.

omega-3 fatty acid

saturated fat

polyunsaturated fat

monounsaturated fat

Many plants store their excess carbohydrates in the form of a polysaccharide called ______.

glucose

glycogen

starch

chitin

Nucleotides are used for several functions in cells. Which of the following is NOT a correct function for a nucleotide?

building plant cell walls

serving as a chemical carrier of energy

building ribonucleic acid (RNA)

building deoxyribonucleic acid (DNA)

Nucleotides are to DNA as ________ are to _________.

amino acids; proteins

carbon; fatty acids

fatty acids; carbohydrates

glycogen; starch

saturated fats; lipids

Nucleotides share structural similarity to _______.

steroids

proteins

amino acids

glycogen

Nucleotide is to nucleic acid as amino acid is to __________.

triglycerides

protein

glycogen

nucleic acids

Proteins differ from one another because ______.

of the host organism

the sequence of amino acids in the polypeptide chain differs from protein to protein

the number of nucleotides found in each protein varies from molecule to molecule

The Essay on Amino Acid Protein Supplements Body

Two Animal Products vs. Two Protein Amino Acid Supplements The Protein and Amino Acid supplement make claims to build lean muscle mass in conjunction with a healthy diet and exercise (especially weight training). Protein and Amino Acid supplement companies advocate eating 6-8 small healthy meals a day which allows the body to use food more efficiently throughout the day for increased energy and ...

each protein contains its own unique sequence of sugar molecules

the peptide bonds linking amino acids differ from protein to protein

Phospholipids are said to have a dual nature because they are ______.

Selected Answer: part hydrophilic and part hydrophobic

The color of your hair is determined by a _________, which is made based on instructions provided by _________.

protein; DNA

carbohydrate; proteins

nucleic acid; DNA

carbohydrate; DNA

lipid; DNA

Which of the following statements about hormones is true?

All hormones are proteins.

Some hormones are proteins and some are steroids.

All steroids are hormones.

All hormones are steroids.

While studying various cells under a microscope, you see one with very fragile membranes. This fragility is probably caused by a deficiency in the production of ______________.

protein

amino acids

triglycerides

phospholipids

Which functional group is found in amino acids?

amino only

both carboxyl and amino

hydroxyl only

carboxyl only

Which of the major types of biological molecules does NOT consist of monomers and polymers?

lipids

carbohydrates

nucleic acids

proteins

Which of the following statements about steroids is true?

The steroid estrogen is used by athletes to bulk up.

Cholesterol is not a steroid.

Testosterone is made only by men.

Estrogen is made by both men and women.

Which of the following statements is (are) true about carbon?

It can covalently bond with up to four other atoms.

It is used to create the molecules of life found in cells.

Its outer electron shell is not complete.

Carbon compounds form in many shapes.

All the above statements are correct.

Which of the following statements about HDL and LDL is true?

It is better to have higher levels of LDL than of HDL.

It is best to have equal levels of HDL and LDL.

Your levels of HDL and LDL are really not important enough to monitor.

It is better to have higher levels of HDL than of LDL.

The Essay on Biuret Test for Proteins and Emulsion Test for Lipids

Proteins are complex molecules that react differently to many compounds but are also fragile and cannot withstand high temperatures or strong acids and bases without degrading. The Biuret Method, or biuret test, is used to detect the presence of peptide bonds. It has this name because it reacts positively to the biuret molecule's peptide bonds. Correctly evaluating the number of peptide bonds is a ...

Which of the following is an example of secondary structure of a polypeptide?

the way beta pleated sheets and alpha helixes fold around each other to give the protein its final shape

the amino acid sequence found in a protein

the formation of a beta pleated sheet

the interaction of many polypeptides that gives rise to the final protein

Which of the following statements about proteins is correct?

All enzymes are proteins but not all proteins are enzymes.

All proteins are enzymes, and all enzymes are proteins.

Proteins and enzymes are not related.

All proteins are enzymes, but not all enzymes are proteins.

Which of the following macromolecules function in energy storage?

only fats

both fats and carbohydrates

only proteins

only carbohydrates

Which of the following is a polymer?

any amino acid

chitin

glucose

a nucleotide

You isolate a cell that cannot bring information from the DNA to the ribosomes. What molecule is probably deficient in this cell?

RNA

protein

DNA

amino acids

1 You have a friend who lives on french fries eats almost nothing else. Realizing that french fries are mostly starch, you warn your friend that he might __________ as a result of this diet.

not be able to make glycogen

not be able to make proteins

not be able to make DNA

not be able to make lipids

Your doctor has told you to limit your intake of saturated fats. As an expert in biology you know that to have a healthier diet you should ______.

increase your consumption of polyunsaturated fats

eat mostly fats from plant products

eat only fats from animal products

ignore your consumption of trans fats

You isolate a polymer that contains adenine, guanine, and cytosine. What type of molecule could it be?

either RNA or DNA

protein

DNA only

RNA only

You eat a steak for lunch. What is the primary molecule you will be eating?

nucleic acids

lipids

protein

glucose

You eat a very large meal with lots of glucose. What will your body do with the glucose you do not require to meet your energy needs?

The Essay on Protein Synthesis Amino Acid

Protein Protein Synthesis Protein Synthesis Protein synthesis is the process by which genetic information from the DNA stored in the nucleus is transferred to the ribosomes where it is used to arrange amino acids into proteins. The DNA molecule in the nucleus is unzipped by an enzyme called polymerase. From one of these single strands of a DNA molecule, a mRNA molecule is built. This is ...

polymerize the glucose into glycogen

polymerize the glucose into lipids

excrete it in your urine

polymerized the glucose into proteins

You isolate a new protein composed of four separate protein chains. What level of protein structure would you say this protein achieves?

tertiary

folding

quaternary

primary

secondary

Your friend Paula tells you that her doctor said she needs more of the principal female steroid. The physician is referring to ___________.

cholesterol

estrogen

testosterone

triglycerides

You isolate a cell that cannot make RNA. The cell will therefore not be able to make _______.

nucleotides

lipids

proteins

DNA

You isolate a protein in which a change in the amino acids causes the protein to fold into pleats rather than coil into a helix. What level of protein structure has changed as a result of the amino acid change?

secondary structure

primary structure

tertiary structure

quaternary structure

You eat a carrot for lunch. What is the primary biological molecule group you will be eating?

nucleic acids

glucose

lipids

protein