Bio 1 Midterm Exam Review
- 1.
![Which type of transport is shown in the diagram?
- ProProfs]( "Which type of transport is shown in the diagram?")
Which type of transport is shown in the diagram?- A.
Passive transport
- B.
Active transport
- C.
Osmosis
- D.
Endocytosis
- 2.The difference in the concentration of dissolved particles from one location to another is called a ___.
- A.
Concentration gradient
- B.
Concentrated solution
- C.
Saline solution
- D.
Dynamic gradient
- 3.Scientists use observations and data to form and test ___.
- A.
Constants
- B.
Hypotheses
- C.
Theories
- D.
Conclusions
- 4.During an experiment, which factors are observed and measured?
- A.
Dependent variables
- B.
Independent variables
- C.
Constants
- D.
Hypotheses
- 5.What gives water many properties that are important to living things?
- A.
Temperature
- B.
Hydrogen bonds
- C.
Density
- D.
Specific heat
- 6.The four main types of carbon-based molecules in organisms are carbohydrates, lipids, nucleic acids, and ___.
- A.
Starches
- B.
Fatty acids
- C.
Proteins
- D.
Monosaccharides
- 7.When graphing experimental results, you should place the ______ onto the y axis.
- A.
Independent variables
- B.
Dependent variables
- C.
Constant
- D.
Bar
- 8.If an organic molecule model contains carbon atoms arranged in a long chain, it is probably a model of ___.
- A.
Starch
- B.
A lipid
- C.
Polar molecules
- D.
Protein
- 9.Many factors should remain unchanged during an experiment. These factors are referred to as ___.
- A.
Levels
- B.
Hypotheses
- C.
Controlled variables
- D.
Independent variables
- 10.DNA and RNA are two types of ___.
- A.
Proteins
- B.
Carbohydrates
- C.
Lipids
- D.
Nucleic acids
- 11.The smallest basic unit of matter is the ___.
- A.
Atom
- B.
Cell
- C.
Compound
- D.
Molecule
- 12.Which of the following is formed when an atom gains or loses electrons?
- A.
Element
- B.
Compound
- C.
Molecule
- D.
Ion
- 13.Atoms in molecules share pairs of electrons when they make ___.
- A.
Ionic bond
- B.
Covalent bond
- C.
Hydrogen bond
- D.
Polymers
- 14.Substances are changed into different substances when bonds break and reform during ___.
- A.
Chemical equilibrium.
- B.
Chemical reactions.
- C.
Ion formation.
- D.
Hydrogen bonding.
- 15.Fats, oils, and cholesterol are all types of ___.
- A.
Hormones.
- B.
Lipids.
- C.
Cell membranes.
- D.
Fatty acids.
- 16.Protein polymers are made of a series of ___.
- A.
Amino acids
- B.
Monosaccharides
- C.
Histones
- D.
DNA strands
- 17.The activation energy needed for a chemical reaction is decreased by a ___.
- A.
Catalyst
- B.
Reactant
- C.
Substrate
- D.
Product
- 18.
![In the lock-and-key model of enzyme function shown in Figure 2.2, what is happening in step 2?
- ProProfs]( "In the lock-and-key model of enzyme function shown in Figure 2.2, what is happening in step 2?")
In the lock-and-key model of enzyme function shown in Figure 2.2, what is happening in step 2?- A.
The catalyzed reaction is releasing a product.
- B.
The active sites are restructuring the enzyme.
- C.
The enzyme is causing new bonds to form between the substrates.
- D.
The substrates are beginning to separate from each other.
- 19.Which aspect of a chemical reaction is affected by enzymes?
- A.
Direction
- B.
Rate
- C.
Equilibrium
- D.
PH
- 20.What pH would be considered a strong base?
- A.
2
- B.
6
- C.
8
- D.
12
- 21.Which of the following molecules found in the food we eat is most commonly broken down to make ATP (providing us with the most readily available energy)?
- A.
Carbohydrates
- B.
Lipids
- C.
Proteins
- D.
Vitamins
- 22.Which of the following is a major principle upon which cell theory is based?
- A.
All cells form by free-cell formation.
- B.
All cells have DNA.
- C.
All organisms are made of cells.
- D.
All cells are eukaryotic.
- 23.
![Identify the type of cell shown in Figure 3.1. - ProProfs]( "Identify the type of cell shown in Figure 3.1.")
Identify the type of cell shown in Figure 3.1.- A.
Bacterial
- B.
Animal
- C.
Prokaryotic
- D.
Eukaryotic
- 24.Which organelle is the storehouse for a cell's genetic information?
- A.
Mitochondrion
- B.
Chloroplast
- C.
Centriole
- D.
Nucleus
- 25.Which phrase best describes rough ER?
- A.
Studded with ribosomes
- B.
Protected by vesicles
- C.
Connected to the Golgi apparatus
- D.
Stored in the central vacuole
.png "In the lock-and-key model of enzyme function shown in Figure 2.2, what is happening in step 2?")
Questions: 104 | Attempts: 100 | Last updated: Oct 17, 2016
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Sample QuestionScientists use observations and data to form and test ___.
Questions: 69 | Attempts: 662 | Last updated: Feb 7, 2019
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-
Sample QuestionWhat is energy?
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