*

Using the info in Table 2.1, calculate the molecular weight of ethanol, C2H5OH.

You are watching: Identify the following reaction: glucose + fructose → sucrose + water

A) 96

B) 46

C) 34

D) 33

E) The answer cannot be determined.


3) Antacids neutralize mountain by the following reaction. Identify the salt in the adhering to equation:

Mg(OH)2 + 2HCl → MgCl2 + H2O

A) Mg(OH)2

B) HCl

C) MgCl2

D) H2O

E) nobody of the answers is correct.


4) i beg your pardon of the adhering to statements is FALSE?

A) Salts readily dissolve in water.

B) Water molecule are created by hydrolysis.

C) Water freezes native the top down.

D) Water is developed as a component of a dehydration synthesis reaction.

E) Water is a polar molecule.


5) i m sorry of the complying with is the type of shortcut holding K+ and I- ions in KI?

A) ionic bond

B) covalent bond

C) hydrogen bond


6) which of the adhering to is the form of bond in between molecules that water in a beaker of water?

A) ionic bond

B) covalent bond

C) hydrogen bond


7) What is the kind of bond holding hydrogen and also oxygen atoms together in a solitary H2O molecule?

A) ionic bond

B) covalent bond

C) hydrogen bond


8) determine the complying with reaction: Glucose + furustos → Sucrose + Water

A) dehydration synthetic reaction

B) hydrolysis reaction

C) exchange reaction

D) reversible reaction

E) ionic reaction


9) recognize the adhering to reaction: Lactose + H2O → Glucose + Galactose

A) dehydration synthesis reaction

B) hydrolysis reaction

C) exchange reaction

D) reversible reaction

E) ionic reaction


10) recognize the adhering to reaction: HCl + NaHCO3 → NaCl + H2CO3

A) dehydration synthesis reaction

B) hydrolysis reaction

C) exchange reaction

D) reversible reaction

E) ionic reaction


11) identify the following reaction: NH4OH ⇌ NH3 + H2O

A) dehydration synthetic reaction

B) hydrolysis reaction

C) exchange reaction

D) reversible reaction

E) ionic reaction


12) Which form of molecule includes the alcohol glycerol?

A) carbohydrate

B) phospholipids

C) DNA

D) protein


13) Which form of molecule is composed of (CH2O) units?

A) carbohydrate

B) lipid

C) nucleic acid

D) protein


14) Which kind of molecule contains -NH2 (amino) groups?

A) carbohydrate

B) triglycerides

C) main point acid

D) protein


15) Which type of molecule NEVER contains a phosphate group?

A) triglycerides

B) phospholipid

C) main point acid

D) ATP


16) Based ~ above the valence numbers of the facets magnesium (2) and hydrogen (1), guess how plenty of covalent binding would kind between these atoms to accomplish the full match of electrons in their outermost power shells.

A) one

B) two

C) three

D) four


*

Using the info in Table 2.1, calculation the variety of moles in 92 grams that ethanol,

C2H5OH.

A) 1

B) 2

C) 3

D) 4

E) The answer can not be determined.


18) which of the following statements about protein structure is FALSE?

A) The primary structure is created by covalent bonding in between amino acid subunits.

B) secondary structures are developed only indigenous hydrogen bonds.

C) Tertiary frameworks are created only indigenous covalent bonds.

D) Quaternary structures associated multiple polypeptides.


19) i beg your pardon of the complying with pairs is mismatched?

A) NaOH ⇌ Na++ OH-— base

B) HF ⇌ H++ F-— acid

C) MgSO4⇌ Mg2++ SO42- — salt

D) KH2PO4⇌ K++ H2PO4- — acid

E) H2SO4⇌ 2H++ SO42- — acid


20) Table 2.2

NaOH ⇌ Na+ + OH- — base

HF ⇌ H+ + F- - acid

MgSO4 ⇌ Mg2+ + SO42- — salt

KH2PO4 ⇌ K+ + H2PO4- — acid

H2SO4 ⇌ 2H+ + SO42- — salt

Which that the following statements about the reactions in Table 2.2 is FALSE?

A) They space exchange reactions.

B) They space ionization reactions.

C) They occur when the reactants are liquified in water.

D) They are dissociation reactions.

E) They space reversible reactions.


21) What is the form of weak bond in between the hydrogen that one molecule and the nitrogen of an additional molecule, whereby the two don"t actively share one electron?

A) ionic bond

B) covalent bond

C) hydrogen bond

D) de defiders bond

E) hydrophobic bond


22) What is the kind of solid chemical bond between carbon, hydrogen, and also oxygen atoms in a single organic molecule?

A) ionic bond

B) covalent bond

C) hydrogen bond


24) A scientist wants to execute a test that will suggest whether a nucleic mountain sample is composed of RNA or DNA. Experimentation for the visibility of which of the following is most suitable in this situation?

A) phosphate

B) nitrogen

C) guanine

D) uracil

E) thymine


25) Structurally, ATP is most like which form of molecule?

A) carbohydrate

B) lipid

C) protein

D) main point acid


27) i beg your pardon molecule is written of a chain the amino acids?

A) carbohydrate

B) lipid

C) protein

D) nucleic acid


28) Which are the primary molecules comprising plasma membranes in cells?

A) carbohydrates

B) lipids

C) proteins

D) main point acids


29) The antimicrobial drug imidazole inhibits sterol synthesis. This would certainly most likely interfere with

A) bacterial cabinet walls.

B) fungal cabinet walls.

C) eukaryotic plasma membranes.

D) prokaryotes plasma membranes.

E) genes.


*

*

*

33) many amino acids found in cells show what kind of chirality?

A) L-isomers

B) D-isomers

C) C-isomers

D) B-isomers

E) A-isomers


What kind of shortcut is at the arrowhead in figure 2.3?

A) disulfide bridge

B) dual covalent bond

C) hydrogen bond

D) ionic bond

E) peptide bond


35) an E. Coli society that has been cultivation at 37°C is relocated to 25°C. Which of the following transforms must it is in made in that plasma membrane to assist it cope with the decrease in temperature?

A) The number of phosphate teams must increase.

B) The viscosity must increase.

C) The variety of saturated chains have to increase.

D) The variety of unsaturated chains need to increase.

E) No changes are necessary


36) Radioisotopes are typically used to label molecules in a cell. The fate that atoms and also molecules in a cell deserve to then it is in followed. Assume Saccharomyces cerevisiae is get an impression in a nutrient tool containing the radioisotope 35S. After ~ a 48-hour incubation, the 35S would certainly most most likely be discovered in the S. Cerevisiae"s

A) carbohydrates.

B) nucleic acids.

C) water.

D) lipids.

E) proteins.


37) Radioisotopes are frequently used to brand molecules in a cell. The fate that atoms and also molecules in a cell have the right to then be followed. I think Saccharomyces cerevisiae is grown in a nutrient medium containing the radioisotope 32P. ~ a 48-hour incubation, the majority of the 32P would certainly be uncovered in the S. Cerevisiae"s

A) plasma membrane.

B) cell wall.

C) water.

D) proteins.

E) carbohydrates.


38) Starch, dextran, glycogen, and also cellulose room polymers of

A) amino acids.

B) glucose.

C) fatty acids.

D) nucleic acids.

See more: The Real Balances Effect Indicates That A An Increase In The Price

E) acids.


39) i m sorry of the complying with is a base?

A) C2H5OCOOH → H++ C2H5OCOO-

B) C2H5OH

C) NaOH → Na++ OH-

D) H2O → H++ OH-

E) H2CO


40) 2 glucose molecule are merged to do a maltose molecule. What is the chemistry formula because that maltose?

A) C3H6O3

B) C6H12O6

C) C12H24O12

D) C12H22O11

E) C12H23O10


41) If an amino acid contained a hydrocarbon (a team of multiple carbons and also hydrogens attached together) as its side group, in i m sorry of the adhering to categories might it be as necessary designated?