Biomolecules Questions and Answers

5 CTP is a n A uncompetitive B allosteric C irreversible D mixed E competitive inhibitor of aspartate transcarbamoylase

The following image shows the results of electtrophoresis of two samples A and B The DNA samples were placed in the wells at the top and the electrical current was turned on The following results were obtained after 30 minutes Click on the band that represents the shortest fragment of DNA A B

What type of change in chromosome structure is being depicted in the image K X XX Duplication Insertion Translocation Inversion Deletion

O DNA A T G C ORNA sugar is ribose O DNA uses Uracil instead of Thymine O RNA is single stranded Question 79 Polysaccharides are large chains of sugar monomers Three of the most common and complex polysaccharides are cellulose starch and glycogen These three polysaccharides are made up monomers that are all O Sucrose Hydrogen Bonds O Glucose Covalent Bonds Glucose Hydrogen Bonds

In the 1300s Europeans believed a way through spiritual beings O Higher Ranking Order O Organismal Leveling O Line of Existence Great Chain of Being existed which extended from the lowest life forms all the

1 Enzyme names end in what 2 How do enzymes speed up reaction rates 3 What is allosteric inhibition vs competitive inhibition 4 How does concentration of substrate and product affect the rate of a catalyzed reac

1 Compare positive and negative feedback mechanisms Which are more common 2 How do bacterial cells communicate 3 What are the different stages of the cell cycle what goes on in each and where are the checkpoints is being looked for at each Which parts are considered mitosis and what is its main purpose

6 What nucleotides are found in RNA vs DNA ginge

What is the proper way one protein bonds to another How does this give it directionality

1 What are primary secondary tertiary and quaternary protein structures What happens when the protein is somehow changed 2 What type of molecule is show below Label the functional groups and which region is polar and nonpolar H H H N C CH3 3 What is the proper way one protein bonds to another How does this give it directionality 5 What elements are found in each of the following a Carbohydrates include ratio b Lipids c Proteins d Nucleic Acids 5 What nucleotides are found in RNA vs DNA OH 4 What types of bonds occur between nucleic acids in a strand of DNA How do they differ between A T and GC how many are there and how does this affect the structure M RAW

A poison is released into the environment that disrupts the activity of NADH Reductase, an enzyme found in the ETC of the mitochondria. What would be the effect of such a substance on the production of ATP and how would this affect individual organisms? a population of organisms? Use an example to explain your answer.

Protein synthesis links individual bonds together by a condensation reaction. This reaction decreases entropy. True False

Which body composition modality do you believe is the 'best' to use? In your response, make sure you include testing accuracy, testing cost, ease of access for patients, and ease of use for testers. Include appropriate references.

Describe the biochemistry of the protein macromolecule. One of the unifying themes in biology is that structure facilitates function at all levels of organization. Explain how the structure of proteins facilitates their functional roles in living systems.

Write in sequence the 8 steps of the citric cycle starting with citric acid and ending with citric acid. Show the structures of the 8 reactants/products and the correct (full) names of the 8 enzymes involved in the most famous catalytic cycle (TCA, CAC, or Krebs Cycle.

1.a. When the pH=7 the solution is ___, where the number ofhydrogen ions and base (OH-) ions are equal. 1.b. A solution with a pH less than 7 is ___, where hydrogen ions outnumber OH- ions. 1.c. A solution with a pH greater than 7 is ___ where OH ions outnumber hydrogen ions.

Why must some of your DNA be replicated in fragments? Please do not focus on HOW the DNA is replicated-tell me WHY some of it must be replicated in fragments.

Which of the following types of covalent bonds are found in the structure of ATP? N-glycosidic, thioester, phosphodiester bond. Ester, ether, phosphoanhydride bond Phosphoanhydride, phosphomonoester, N-glycosidic bond. Ether, ester, phosphomonoester bond

Which of the following is not a mechanism of horizontal gene transfer? Transduction Conjugation Transformation Spontaneous mutations

The following peptide is cut by serine protease enzyme Trypsin. How many fragments will be produced after trypsin digestion? Val-Ile-Arg-Lys-Leu-Arg-Gly-Ala-Lys-lle 0 3 10 9 5

Discuss the differences between gene point and chromosome mutation in terms of severity, reversibility, condition caused.

Which of the following amino acids will be eluted first if added to a column packed with cation exchange resin? Lysine Proline Serine Aspartate

ATP is a highly ________ molecule. ATP spontaneously _______ ADP +P₁, and the free energy _______ during this process is lost as heat.

is a deadly, colorless, odorless gas that is a by- product of incomplete combustion. A. Sulphur B. Hydrogen Peroxide C. Carbon Monoxide D. Cadmium

Read the following dialogue taken from Chapter 2 of Stories By English Authors of the novel THE BLACK PODLE by F. Anstey, and answer the question that follows. "That there's him," he said, jerking his thumb to the farthest tub; "follered me all the way 'ome from Kinsington Gardens, he did. Kim out, will yer?" Which of the following are you able to understand from the dialogue? Different punctuation marks make the dialogue livelier The ethnicity of the speaker That there is a tub

What is Direct Input? The process of entering prescription information while the patient remains at the In Window or Drive Thru The process of answering the phones by the 3rd ring The process of a Pharmacist bagging each prescription after the final audit has been performed The process of returning prescriptions to stock if they have not been picked up within 10 days of being filled

Choose the correct answer. To _______ is to combine several sources for the purpose of analysis. synthesize analyzation reflect

The 2nd Law of Thermodynamic s states that in every energy transformation some energy is lost, usually in the form of A. ions B. heat C. liquids D. plasma

Which of the following molecules would NOT be considered a carbohydrate? glycogen starch sucrose triglyceride Ofructose

Which are the monomers of proteins? monosaccharides triglycerides amino acids fatty acids nucleotides

Regarding the DMEPOS Patient Rights and Responsibilities, name three of the rights and three of the responsibilities: Rights: speak to a pharmacist: confidentiality and privacy of all information; be treated with respect. Responsibilities: properly and accurately complete all required forms; provide accurate contact information: notify pharmacy team of any concerns. Rights: properly and accurately complete all required forms; provide accurate contact information; notify pharmacy team of any concerns. Responsibilities: speak to a pharmacist; confidentiality and privacy of all information; be treated with respect. Rights: properly and accurately complete all required forms: speak to a pharmacist; notify pharmacy team of any concerns. Responsibilities: confidentiality and privacy of all information; be treated with respect; provide accurate contact information. Rights: confidentiality and privacy of all information; properly and accurately complete all required forms: provide accurate contact information. Responsibilities: speak to a pharmacist; be treated with respect: notify pharmacy team of any concerns.

What is the function of a catalyst? to enhance reaction speed to inhibit a reaction to slow down reaction speed to lower the activation energy of a reaction to shift a reaction to the reactant side

Alpha-ketoglutarate dehydrogenase (an enzyme) is used to test the activity of an unknown compound. Upon exposure to the compound, the enzyme is altered such that all activity is nearly eliminated. The enzyme is found to have formed a covalent bond with the compound, and there is a reaction product in the solution. What mode of inhibition is the unknown compound exhibiting? Allosteric Suicide Transition State Competitive Uncompetitive

Which enzyme works best in a low pH environment with a temperature of approximately 370 C? amylase trypsin lipase pepsin catalase

Macromolecules and Enzymes What is the "lock-and-key" model of enzyme-substrate interaction?

Which of the following is a reagent commonly used to detect starches? pancreatin albumin brown paper iodine-potassium-iodide Biuret reagent

What does denaturation do to an enzyme? It allows for water production. It increases the activation energy. It changes the shape of the active site. It speeds up catalysis It speeds up the reaction.

What does an enzyme do? It reduces activation energy. It reduces reaction rate. It increases activation energy. It changes the shape of the catalyst. It slows the break down of reactants.

Which of the following is found in all animo acids? carbon hydrogen oxygen nitrogen all of them

What is the "induced fit" model of enzyme-substrate interaction?

Earlier in the year, you learned about denaturing as it relates to one category of macro- molecules. In which of the following does denaturing occur when the temperature or pl changes drastically? A amino acids B carbohydrates C lipids D proteins

Catalysts that act in cellular reactions are known as _____ They are usually ______ but can be composed of RNA. Enzymes fit specific _____ they do not interact with _____ The enzyme may help in breakdown, rearrangement, or synthesis reactions. Those involved in the break down their substrates are referred to as _____ enzymes, those that build molecules would be called _______

Monosaccharides can exist as lines rings lines and rings

is the lac operon likely to be expressed when glucose and lactose are both absent? Explain your answer by describing what is happening to the operon under this condition.

A lipid fat molecule consists of two parts-glycerol and fatty acids. Glycerol is an compound with carbons, hydrogens, and three hydroxyl ( three ) groups. Fatty acids have a long chain of hydrocarbons to which a group is attached, hence the name "fatty acid." The number of carbons in the fatty acid may range from

Why are lipids hydrophobic? Their carbon to carbon bonds are polar, so they attract water. Their carbon to carbon bonds are non-polar, so they repel water. Their carbon to carbon bonds are polar, so they repel water. Their carbon to carbon bonds are non-polar, so they attract water.

Avdenine and thymine are paired with one another across a DNA's double helix. True False

DNA does not have histone proteins. True False

The macromolecule you are studying as non-glycosidic, non-polar bonds. It is most likely a nucleic acid lipid protein carbohydrate

Choose all of the following that are functions of proteins. They regulate movement of ions and other substances into and out of a cell. They allow muscles to move by contracting against one another. They can protect an individual by playing a key role in a cells recognition for immune function. They give structure to cellular membranes.