Bio Semester 1 Review (1 Of 3)

61 Questions | By JLovrien | Updated: Mar 20, 2022 | Attempts: 329

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1.

What is osmosis?
- A.
  
  The movement of molecules through a semi-permeable membrane from an area of lower concentration to an area of higher concentration
- B.
  
  The movement of molecules such as water through a semi-permeable membrane from an area of higher concentration to an area of lower concentration
- C.
  
  The movement of molecules across a semi-permeable membrane until there are equal amounts on each side of the membrane
- D.
  
  Molecules desire to spread as far from a membrane as possible
2.

Which of these molecules can NOT pass through a membrane to enter a cell?
- A.
  
  Iodine
- B.
  
  Glucose
- C.
  
  Oxygen
- D.
  
  Starch
3.

Which of these does require energy?
- A.
  
  Active Transport
- B.
  
  Passive Transport
- C.
  
  Osmosis
- D.
  
  Gravity
4.

When a molecule enters a cell via the proteins on its membrane but the process doesn't use any ATP, it has undergone:
- A.
  
  Adhesion
- B.
  
  Osmosis
- C.
  
  Active transport
- D.
  
  Facilitated diffusion
5.

A cell placed in a hypotonic solution will....
- A.
  
  Swell due to taking in water
- B.
  
  Shrivel due to water leaving
- C.
  
  Remain unchanged, as it is isotonic
- D.
  
  Not enough info given
6.

Osmosis occurs in
- A.
  
  All cells; they all have cell membranes
- B.
  
  Eukaryotic cells; only they have cell membranes
- C.
  
  Prokaryotic cells; eukaryotic cells have more complex structures for importing materials
- D.
  
  Prokaryotic cells; only they have cell membranes
7.

The atom is made of 3 subatomic particles. The subatomic particle found in the nucleus with a positive charge is the ___________.
- A.
  
  Electron
- B.
  
  Neutron
- C.
  
  Proton
8.

The __________ is the smallest unit of matter.
- A.
  
  Element
- B.
  
  Atom
- C.
  
  Molecule
- D.
  
  Electron
9.

An _______ bond is a bond in which electrons are transferred between a metal and nonmetal.
- A.
  
  Covalent
- B.
  
  Ionic
- C.
  
  Double
- D.
  
  Polar
- E.
  
  Nonpolar
10.

An acid has a pH below ______.
- A.
  
  7
- B.
  
  8
- C.
  
  9
- D.
  
  10
11.

A base has a ph above _____.
- A.
  
  9
- B.
  
  8
- C.
  
  7
- D.
  
  10
12.

Water is made of 1 oxygen molecule and _____ hydrogen atoms.
- A.
  
  3
- B.
  
  2
- C.
  
  1
- D.
  
  5
13.

The water molecule is _________, because there is an uneven distribution of electron within the molecule.
- A.
  
  Uneven
- B.
  
  Weird
- C.
  
  Polar
- D.
  
  Strange
14.

A group of atoms bound together
- A.
  
  Proton
- B.
  
  Molecule
- C.
  
  Atom
- D.
  
  Compound
15.

All of these are major organic compounds except
- A.
  
  Carbohydrates
- B.
  
  Lipids
- C.
  
  Proteins
- D.
  
  Acids
16.

All the substances listed are Inorganic except
- A.
  
  Acids
- B.
  
  Bases
- C.
  
  Salts
- D.
  
  Proteins
17.

Fats and oils are examples of
- A.
  
  Phospholipids
- B.
  
  Lipids
- C.
  
  Energy
- D.
  
  Glycerol
18.

Large Molecules made up of amino acids held together in long folded chains by peptide bonds
- A.
  
  Proteins
- B.
  
  Starches
- C.
  
  Carbohydrates
- D.
  
  Cholesterol
19.

Neutron's are
- A.
  
  Charged particles in nucleus
- B.
  
  Noncharged particles in nucleus
- C.
  
  Component of most organic molecules and water
- D.
  
  A protein in catalyzes
20.

Number of protons and neutrons in the nucleus
- A.
  
  Chemical elements
- B.
  
  Nucleic acid
- C.
  
  Protein
- D.
  
  Atomic mass
21.

Substances whose molecules have more than one kind of atom
- A.
  
  Isotope
- B.
  
  Compound
- C.
  
  Chemical Elements
- D.
  
  Cations
22.

Which as a positive charged particle in the nucleus
- A.
  
  Electron
- B.
  
  Proton
- C.
  
  Neutron
- D.
  
  Matter
23.

The number of protons in an atom of an element
- A.
  
  Atomic weight
- B.
  
  Atomic mass
- C.
  
  Atom
- D.
  
  Atomic number
24.

A solution with excess hydrogen ion (H+) concentration:
- A.
  
  Base
- B.
  
  Salt
- C.
  
  Acid
- D.
  
  Water
25.

These molecules primarily serve to provide the body with energy:
- A.
  
  Carbohydrates
- B.
  
  Proteins
- C.
  
  Lipids
- D.
  
  Acids
- E.
  
  Bases