Biology question and answers for January 05, 2024
- Q The structure of enzymes that just includes folding and is caused by hydrogen bonding only is called a structure A secondary B tertiary C quaternary D primary
- Q Cteria An example of an unicellular organism would be human monkey spide
- Q How are DNA and RNA different CHECK ALL THAT APPLY y DNA can leave the nucleus Select all correct options MSQ DNA contains Thymine RNA contains Uracil DNA is double...
- Q woman who carries an allele for a sex linked recessive trait has a daughter with a man who do not carry the allele What is the percent probability the daughter...
- Q Plants or plant like organisms that make their own food using energy from the sunlight
- Q Which macromolecule found in the food you eat will your cells break down first to get ATP Lipids Nucleic Acids Carbohydrates Proteins
- Q When molecules are catabolized it is called an exergonic reaction and free energy and enthalpy while entropy A decrease B multiply C increase D equalize
- Q Brown fat found in small hibernating animals and infants has a protein that acts like DNP We would therefore expect brown fat to heat production because Decrease it is more...
- Q Which of the following is a direct cellular consequence of Maturation promoting factor MPF activity DNA replication Cell growth Formation of the mitotic spindle All of the above
- Q Endosymbiosis states that free living were engulfed and became the of the eukaryotes we see today A eukaryotes B cholorplasts C prokaryotes D cristae
- Q Flagella are means for prokaryotes to A gather food B expedite digestion C be motile D be sessile
- Q sexual reproduction Jaguars with slightly larger jaws and teeth are better able to eat shelled reptiles in addition to mammals These Jaguars are likely to survive longer and leave more...
- Q phatic tem A preparation of dead or weakened pathogens that is introduced into the body to cause an immune response immune system vaccine Lymphocytes inflammation
- Q 4 points A student places a lidded pot of water onto a burner on the stove They turn the stove burner on and set it to medium high The student...
- Q Lab 3 Chemical Composition of Cells Assignment Click the following link to study the Concepts of macromolecules biomolecules Biomolecules Updated YouTube Then read the attached Lab 3 Background Materials 1...
- Q ou are analyzing a compound in the laboratory You find that it is made up of carbon hydroge and oxygen in a ratio of two hydrogen atoms for each carbon...
- Q 1 and what turning point major event does the beginning date of this period represented What turning point major event does the ending date of this period represented what might...
- Q Which of the following is NOT a form of membrane transport A Osmosis B Sugar osmosis C Cotransport D Bulk transport
- Q Which of the following can change the fluidity of a cell membrane A Water saturation B DNA C Cholesterol D Carbohydates
- Q Five True False questions 1 2 of body weight Present cells Lipids 2 True False Carbon containing molecules
- Q 1 What molecules studied in this lab are present in cells 2 To build a protein what building block would you use 3 How would you test an unknown solution...
- Q 1 2 3 4 5 lodine Lipid Iron Type of Monosaccharides Protoplasm
- Q reprod rapidly in their new habitat displaced other animals and overgrazed vegetation In an attempt to reduce the rabbit population a virus was introduced in 1951 This virus is usually...
- Q Imagine that you cross two plants that are heterozygous for tall stems and round seeds TtRr What ratio would you expect to find between offspring expressing both dom stems and...
- Q TT and tt would be examples of Genotype A True B False
- Q What molecule contains the codon A mRNA B tRNA C rRNA D Template strand of DNA
- Q 6 What color change in the phenol red solution do you expect to see when the germinating mung beans are incubated with phenol red 7 What color change in the...
- Q The boundary between the crust and the mantle is known as O the Moho a tectonic plate O the asthenosphere
- Q According to Table 12 1 on page 284 of the lab manual has a hardness of 3 O apatite O apatite O calcite
- Q Q010 The following happens when a G protein coupled receptor activates a G protein a The subunit exchanges its bound GDP for GTP O b The GDP bound to the...
- Q Q008 Foreign substances like nicotine morphine and menthol exert their initial effects by O a diffusing through cell plasma membranes and binding to transcription factors to change gene expression O...
- Q Which of the following statements is correct about the reaction 1 on page 27 of the lab manual Hint assigning oxidation numbers to the elements in this reaction will help...
- Q The citric acid cycle is outlined below Some of these reaction the activated carrier X produced at step 3 of the cycle
- Q For every decade beyond the age of 30 what is the percentage decrease in the need for total Kcalories O O 2 5 10
- Q Which two minerals are critical for athletes O Sodium and potassium Iron and Calcium O Calcium and Phosphorus O B12 and Folate
- Q Gastric Bypass surgery is recommended for only people with a BMI greater than O 35 30 40 25
- Q Under the fat cell metabolism theory if you have more of this enzyme you have greater fat storage O Leptin O Lipoprotein Lipase Serotonin Uncoupling proteins
- Q One unit of pyruvate contains how many carbons O 1 02 O 3
- Q One unit of glucose yields how many units of pyruvate 0 1 02 0 3 04
- Q The pathway from pyruvate to Acetyl CoA is irreversible O True O False
- Q After the first day of fasting which of the following is most depleted by the body O Glycogen Fatty acids Amino acids Triglycerides
- Q The production of glucose from the glycerol backbone is a catabolic reaction True False
- Q What is the major energy carrier molecule in most cells what energy do cells run on O ATP O Glucose O Pyruvate O Kcalories
- Q 18 tRNA molecules a can carry an amino acid at their 3 ends b contain two anti parallel strands of RNA in a cloverleaf structure c contain thymine instead of...
- Q O O consists of statements beliefs or practices that are both scientific and factual O consists of statements beliefs or scientific practices that are open to interpretation consists of statements...
- Q Which of the following is most directly responsible for water s unique properties It contains hydrogen atoms It is an ionic compound It forms hydrogen bonds It is nonpolar SUBMIT
- Q Which of the following is responsible for the adhesive property of water O O Hydrogen bonds between the oxygen atoms of two adjacent water molecules Hydrogen bonds between the oxygen...
- Q 39 It is difficult to determine either Km or Vmax from a graph of velocity vs substrate concentration because A an asymptotic an exact value value must be determined from...
- Q 37 Proteins can be modified by adding A sugars and phosphate groups B hydroxyl and formyl groups C cystine D A and B E All of the above to protein...
- Q 30 A mixture of four proteins X Y Z and N is applied to a gel filtration column Given the information supplied which will elute first Protein X Y Z...
- Q 35 Which of the following statements is FALSE A Enzymes lower the amount of energy needed for a reaction B Enzymes are proteins C Enzymes make reactions 103 to 1020...
- Q 25 What is the purpose of treating a protein with 2 mercaptoethanol A to hydrolyze the protein into its amino acids B to derivatize any free sulfhydryl groups to prevent...
- Q 32 According to the Henderson Hasselbalch equation when the concentrations of proton acceptor and proton donor are the same then A pH pka B pKa log proton acceptor proton donor...
- Q 29 What distinguishes reversible inhibitors from irreversible inhibitors A Reversible inhibitors are not covalently bound to enzymes but irreversible inhibitors are B There is an equilibrium between bound and unbound...
- Q 27 Which structure below is appropriate for glycine at neutral pH A H3NCH2C00 C H2NCH2COO B H3NCH2COOH D H2NCH2COOH 27
- Q 22 In an enzyme reaction involving one enzyme and one substrate the rate of the reaction depends on A both substrate and enzyme concentrations B substrate concentration C the enzyme...
- Q 16 How many intermediates are indicated by the energy diagram below energy A one reaction coordinate B two C three D four 16
- Q 10 The reason to rewrite the Michaelis Menten equation such as the Lineweaver Burk plot is to A visualize reactions better B form enzyme kinetic data as a hyperbolic curve...
- Q 20 An enzyme that catalyzes conversions of L sugars to D sugars is called a an A isomerase B synthase C synthetase D lyase E hydrolase 20
- Q 18 In a multienzyme complex the process of directly transferring a product of one reaction to the next active site without allowing it to enter the bulk solvent is termed...
- Q 14 Which represents the backbone of a protein Note R amino acid side chain N nitrogen Ca alpha carbon C carbonyl carbon A repeating units of Cx C C R1...
- Q 17 Gel filtration chromatography separates a mixture of proteins on the basis of B density D size A charge C affinity for ligands in the column matrix 17
- Q 13 Which statement is not true about the peptide bond A The carbonyl oxygen and the amide hydrogen are most often in a trans configuration with respect to one another...
- Q 9 Which statement is false about covalent modification A It is slightly slower than allosteric regulation B It is reversible C It usually uses the same enzyme for activation and...
- Q 8 Glycine is not a stereoisomer because A it does not exist in two non superimposable mirror image forms B it has no chiral carbon C it does not form...
- Q 7 Unlike typical catalyzed reactions in organic chemistry enzyme reactions are A modulated to change activation energy activity levels B essentially 100 efficient C reaction specific D usually stereospecific E...
- Q 5 Amino acids are named that because each one A is a carboxyl derivative of an amide acid B is an amino derivative of a carboxylic acid C is a...
- Q 4 Structural proteins that typically assemble into large cables or threads to provide mechanical support to cells or organisms are classified as A fibrous proteins C B strand B globular...
- Q What types of areas are likely to experience water stress Select all that may apply Areas growing water intensive crops Areas with a naturally arid climate Areas that are heavily...
- Q Part K Give the three letter abbreviation for histidylglycylglutamylisoleucine Submit Request Answer Part L Give the one letter abbreviation for histidylglycylglutamylisoleucine
- Q What is an aquiter O O An area of land where water runoff feeds into a specific river An underground formation of rock and sand that holds water OA brand...
- Q Choose the correct answer Members who head the standing committees in each chamber are called O committee leaders O committee heads O committee VIPs O committee chairmen
- Q O 5 O thymine OH hydrogen bonds H N 3 Sugar phosphate backbone NH guanine In the DNA image above Select FN O NH adenine NH Bases N H N...
- Q 4 If you have a solution of 500 ng L DNA and you need to add 2 L to a reaction mixture that requires a final concentration of 50 ng...
- Q Sut Uncle Henry I don t ke oatmeal it looks like fsh eyes Come on now Maria Oatmeal is healthy and sticks to your ribs A growing girl like you...
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