Midterm Study Guide Practice Q's Flashcards
Which is least inclusive?
1. Population
2. Community
3. Ecosystem
4. Organism
- Organism
Which is most inclusive?
1. Population
2. Community
3. Ecosystem
4. Organism
- Ecosystm
Which is most inclusive?
1. Organism
2. Cell
3. Atom
4. Molecule
- Organism
What is the smallest unit of life?
1. Cell
2. Atom
3. Molecule
4. Tissue
- Cell
What does NOT have a nucleus?
1. Eukaryotic Cells
2. Prokaryotic Cell
- Prokaryotic Cell
What does NOT have a nucleus?
1. Plants
2. Animals
3. Archaea
4. Fungi
- Archaea
Which is not a characteristic of living things?
1. Reproduction
2. Homeostasis
3. Multicellular
4. Require energy
- Multicellular
Sweating when we get hot to regulate our temp is an example of:
1. Reproduction
2. Homeostasis
3. Multicellular
4. Require energy
- Homeostasis
This type of data allows scientists to minimize potential for bias:
1. Qualitative
2. Quantitative
- Quantitative
Out pets (cats, dogs, etc.) are under what domain?
1. Archaebacteria
2. Protists
3. Fungi
4. Eukarya
- Eukarya
The variable that scientists measure:
1. Dependent
2. Independent
3. Controlled
- Dependent
Scientist studies how light color affects plant growth. What is independent variable?
1. Mass of plant
2. Height of plant
3. Amount of water plant receives
4. Color of light plant is grown under
- Color of light plants is grown under
Scientist studies how a certain drug works on a disease. What is the control group?
1. Individuals given the drug
2. Individuals given a placebo
3. Individuals with the disease
4. Individuals without the disease
- Individuals given a placebo
- Individuals with the disease
Importance of control group:
1. Ensures that the independent variable is the only variable contributing to results
2. To serve as a baseline/comparison for the experimental group.
- To serve as a baseline/comparison for the experimental group.
Smallest unit of matter:
1. Cell
2. Atom
3. Organism
4. Molecule
- Atom
Smallest unit of life:
1. Cell
2. Atom
3. Organism
4. Molecule
- Cell
Which is true?
1. Molecules come together to make up atoms
2. Tissues come together to form cells
3. The ecosystem is the most inclusive level of organization
4. Atoms are the least inclusive level of organization.
- Atoms are the least inclusive level of organization
Chlorine has 7 electrons in its outer shell. What does chlorine do to become stable?
1. Loses 7 electrons
2. Adds an electron to outer shell
3. Shares 2 electrons with another atom
4. Adds 1 proton to its nucleus
5. Removes 1 proton from its nucleus
- Add an electron to outer shell.
Which is true regarding saturated fats?
1. They tend to be liquids at room temperature
2. They have at least one double bond
3. They tend to be solids at room temperature
4. They are mainly derived from plants.
- They tend to be solids at room temperature
When building a complex sugar, such as glycogen, the monosaccharides need to be attached via covalent bonds. What process builds these bonds?
1. Hydrolysis reaction
2. Ionic bonding
3. Covalent bonding
4. Condensation reaction
- Condensation reaction
The monomer of a protein:
1. Amino Acid
2. Nucleic Acid
3. Nucleotide
4. Monosaccharide
5. Glucose
- Amino Acid
Which is true?
1. The type of nucleotide is determined by the R group.
2. A chain of amino acids is called a polynucleotide.
3. Steroids are lipids that make up the cell membrane.
4. The fatty acid tails of phospholipids are nonpolar and hydrophobic.
- The fatty acid tails of phospholipids are nonpolar and hydrophobic.
A protein is nonfunctional and needs to be degraded. There is no lysosome. Where does the protein accumulate?
1. Nucleus
2. Golgi Apparatus
3. Rough ER
4. Smooth ER
5. Cytoplasm
- Golgi Apparatus
A scientist finds a sample of cells. Under the microscope he finds no nuclei. What type of cells could be present?
1. Plant and Fungi
2. Fungi and Bacteria
3. Bacteria and Eukaryotic cells
4. Bacteria and Archaea
5. Plants and Bacteria
- Bacteria and Archaea
Present in both prokaryotic cells and eukaryotic cells:
1. DNA and Mitochondria
2. DNA and Ribosomes
3. Mitochondria and Cell Membrane
4. Ribosomes and Rough ER
- DNA and Ribosomes
Nitrogen gains an electron. It is now:
1. An isotope
2. Stable
3. An ion
4. Positively Charged
- An ion
Which statement is true:
1. Water contains polar covalent bonds.
2. Water contains polar ionic bonds
3. The oxygen in water transfers an electron to the hydrogen.
4. Hydrogen bonds exist between oxygens of neighboring water molecules.
- Water contains polar covalent bonds.
What our blood sugar drops, we break down this complex sugar:
1. Insulin
2. Glycogen
3. Starch
4. Cellulose
5. Glucose
- Glycogen
An animal cell contains 2M of salt. What would happen to the cell if it were placed in distilled water?
1. It would expand and maybe burst.
2. It would shrink.
3. It would remain unchanged.
- It would expand and maybe burst.
What organelle is responsible for producing cellular energy?
1. Nucleus
2. Ribosome
3. Rough ER
4. Mitochondria
5. Golgi
- Mitochondria
Energy is required for this type of transport.
1. Active
2. Passive
3. Facilitated
4. Endocytosis
- Active
- Endocytosis
This type of transport involved solutes moving down their gradient:
1. Active
2. Passive
3. Facilitated
4. Endocytosis
- Passive
This organelle is only found in plant cells and helps produce carbohydrates.
- Cell Wall
- Chloroplast
Which statement about enzymes is false?
1. They are unchanged in reactions
2. They speed up chemical reactions.
3. They lower the activation energy of reactions.
4. One enzyme can work on multiple different substrates.
- One enzyme can work on multiple different substrates.
Which is not true about nuclei?
1. Only found in eukaryotic cells, not prokaryotic cells.
2. They house DNA.
3. They protect genetic material
4. They determine which protein are produced by ribosomes.
- They determine which proteins are produced by ribosomes.
A scientist is studying a specific species of fish living in a gulf. What is she studying?
1. Population
2. Ecosystem
e. Community
d. Organism
- Population
The part of the cell membrane that repels charged/polar articles.
Hydrophobic fatty acid tails.
Which pH would have the most H+ ions?
1. 3
2. 2
3. 5
4. 8
5. 7
b. 2
Removing one of these will change into an entirely different element.
1. Electron
2. Neutron
3. Proton
4. Valence Shell
- Proton
Isotopes have different numbers of:
1. Protons
2. Neutrons
3. electrons
4. Valence Shells
5. Energy levels
- Neutrons
Can pass through the cell membrane passively:
1. Only small & nonpolar particles.
2. Only large & polar particles
3. Anything going against its gradient.
4. Anything going down its gradient.
- Anything going against its gradient.
Unique part of an amino acid:
1. Carbon backbone
2. R group
3. Nitrogenous base
4. Fatty acid tail
- R group
