Biology final study guide Test 1 Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Amongst all others, which is the largest macromolecule

A

polysaccharide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which is not true about electrical charges in chemistry?
A. protons carry positive charge
B. In an atom, the number of protons always equals the number of neutrons
C. An atom is neutral when the positive and negative charges balance
D. an ion contains one or more positive charges

A

B. In an atom the number of protons and neutrons must be equal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q
Which of the following features is unique to bacterial cells?
A. nucleoid region
B. nucleus
C. Cell membrane
D. Cell Wall
E. ribose
A

A. Nucleoid region

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q
The cell wall is a common feature to
A. Prokaryotic cell
B. plant cells only
C. Animal cells
D. Prokaryotic and plant cells 
E. Prokaryotic, plant, and animal cells
A

D. Prokaryotic and plant cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Which of the following pairs is mismatched?
A. lysosomes- protein synthesis
B. Cytoskeleton- microfilaments
C. Cell membrane- lipid bilayer
D. Golgi apparatus-modification, processing and sorting of macromolecule

A

A. Lysosome - protein synthesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

After proteins are formed by the ribosomes located on the ER, what is then next organelle to which they can be transported

A

C. Golgi apparatus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the main difference between fat (triglyceride) and phospholipid?

A

C. A phopholipid has 2 fatty acids attached to the glycerol, whereas fat has 3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which statement is not true about subatomic particles?

A

E. All electrons in an atom contains the same amount of energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q
Which of the following terms best describes a conceptual scheme in science that is strongly supported, has not yet been found incorrect, and is based on the results of many observations?
A. scientific model
B. an experiment
C. descriptive research
D. scientific theory 
E. experimental result
A

D. A scientific theory or principle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

For water to vaporize

A

D. Both energy must be supplied and hydrogen bonds broken

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

In the process of biological evolution, new species may evolve through exchange of genes from one species to another. This process is called

A

B. Horizontal gene transfer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Which portion of an amino acid is unique among the different amino acids?

A

D. The side chain and R group

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

If you place the corner of a paper towel into a droplet of water and the water moves across the paper towel. Which of the following would explain the movement of the water?

A

D. Both cohesion and adhsion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Which of the following type of microscopy would be most effective in visualizing the fine structure of viruses and cytoskeletal filament 10-25 nanometers in diameter?

A

C. Transmission electron microscopy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

All cells have these two characteristics:
A.contains DNA in the nucleus and have plasma membrane
C. contain mitochondria and chloroplast
D. have a plasma membrane and ribosomes in the cytoplasm

A

D. Have plasma membrane and ribosomes in the cytoplasm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which statement is not true about polar covalent bonds?

A

E. The oxygen of a water molecule is electropositive relative to the hydrogen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Carbon has 4 electron, hydrogen has 1 in their outer shells. How many bonds can form between a carbon atom and a hydrogen atoms?

A

E. 4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Which of the following is NOT offered as evidence in support of the endosymbiotic theory, the belief that a eukaryotic cell has evolved as s “committee” of prokaryotic cells?

A

C. Mitchondia and chloroplasts can actively break away from eukaryotic cells and live on their own

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Which of the following relationships between cell structures and their rspective functions is NOT correct?

A

Golgi apparatus: break down of macromolecules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q
Which of the following would not be a molecule used for energy storage?
A. Starch
B. Cellulose
C. glycogen
D. All of the above
A

B. Cellulose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q
Which of the following is NOT a protein function?
A. Support
B. Transportation
C. Defense
D. Motion
E. Insulation
A

E. Insulation

22
Q
Glycogen is to animal cells as \_\_\_\_\_\_ is to plant cells.
A. lipid
B. Cellulose
C. statch
D. protein
E. sugar
A

C. Starch

23
Q
A study is conducted to determine the average length and weight of loblolly pine tree needles in the southeast United States. Is this data obtained through observation or experimentation?
A. Observation
B. Experimentation
C. Neither of the above
D. Both
A

A. Observation

24
Q

What is the appropriate order of the stages when generating and testing a hypothesis?

A

D. 3, 4, 1, 5, 2

25
Q

Collecting Data without a specific hypothesis in mind

A

Discover-based science

26
Q

Which of the following does NOT represent homeostasis?

A

D. Energy is captured by plants, then transferred to consumers and decomposers, and eventually lost as heat.

27
Q

If the figures represented cells, what size cell has the greatest potential to bring nutrients in and rid itself of waste?

A

C. Cell in figure C

28
Q

What cellular organelle is responsible for receiving the mRNA and turning it into protein

A

B. Ribosome

29
Q

This specialized structure stores pigments, water, inorganic ions and maintain turgor pressure

A

B. vacuole

30
Q

DNA is housed in the nucleus, but the mRNA code needs to leave in order to be translated into a protein. How does the mRNA code leaves the nucleus if the nucleus is surrounded by the nuclear envelop?

A

B. The nuclear envelope contains pores that allow the mRNA to exit through.

31
Q
An amino acid is to a protein as a \_\_\_\_\_\_ is to a nucleic acid.
A. glucose
B. Glycerol
C. Nucleotide
D. Fatty acid
E. Cellulose
A

c. Nucleotide

32
Q

Evolutionary change
A. occurs through the modification of characteristics in a preexisting population
B. May involve vertical descent with mutation
D. All these choices
C. May involve horizontal gene transfer
E. None of these choices

A

D. All these choices are correct

33
Q
Which of the following is generally more complex than the others?
A. Archae
B. Bacteria
C. Prokarya
D. Eukarya
E. Microorganisms
A

D. Eukarya

34
Q

Choose the figure that best depicts polymer synthesis.

A

A. Figure A

35
Q
What type of bond is likely to occur between two water molecules or strands of DNA?
A. Covalent
B. Ionic
C. Hydrogen
D. Both hydrogen and covalent
E. Both hydrogen and ionic
A

C. Hydrogen

36
Q

All are true about dehydration reaction EXCEPT which of the following?
A. Results in removal of a water molecule
B. Essential for the breakdown of complex molecules to simple ones
C. Essential to the information of polymers
D. Essential for the formation of glycogen from glucose monomers
E. Essential for the formation of triglycerides (fat) from glycerol and fatty acids

A

B. Essential for the breakdown of complex molecules to simple ones.

37
Q

A multicellular organism like a rabbit will be _____

A

composed of a variety of different cell types

38
Q

When considering nomenclature for scientific names, what is the difference between the two primates, Homo sapiens and homo erectus?
A. one is primate but the other is not
B. They are animals but different kingdoms
C. They are animals of a different order
D. They are animals of a different species
E. They are animals of a different genus.

A

D. They are animals of different species

39
Q
A coastal climate is moderated primarily by which of the following properties of water? Water 
A. Is a universal solvent
B. is cohesive and adhesive
C. has high heat of evaporation
D. has a high surface tension
A

C. Has a high heat of evaporeation

40
Q

Which listing correctly indicates a sequence of increasing biological origination?

A

atom, molecule, organelle, cell

41
Q

The blood buffer reactions described by H2CO3 —-> <——- H+ +HCO3- indicates that

A

b. The reaction can flow in either direction depending on whether their is an excess of hydrogen or hydroxide ions.

42
Q

Which would be the most accurate route through which a protein is secreted from a cell?

A

E. Rough ER –> Golgi apparatus –> vesicles –> plasma membrane

43
Q

Arrange in order the level of ecological study from most inclusive to most exclusive

A

A. biosphere, ecosystem, community, population, individual organism

44
Q
Organisms belonging to the same \_\_\_\_ would be the most closely related.
A. Kingdom
B. Phylum
C. Family
D. Class 
E. Order
A

C. Family

45
Q
Carbon and hydrogen have similar electronegativities and combine together to together to form hydrocarbon molecules. What type of bonds form between these atoms?
A. Hydrogen 
B. Ionic 
C. Polar Covalent 
D. Nonpolar Covalent 
E. electrostatic
A

D. Nonpolar covalent

46
Q
Which of the following domains contains the most primitive prokaryotes that live in extreme environments?
A. Archaea
B. Bacteria
C. Plantae 
D. Fungi
E. Eukarya
A

A. Archaea

47
Q
A cell is to a tissue as an atom is to a:
A. molecule 
B. subatomic particle
C. electron
D. Population
A

A. Molecule

48
Q

Which one is NOT one of the properties of water?
A. the frozen form is more dense than the liquid form
B. the frozen form is less dense than the liquid form
C. water is a solvent
D. water has a high heat capacity
E. water has a high heat of evaporation

A

A. the frozen form is more dense

49
Q
The alpha helix and beta sheet are found at which level of protein organization?
A. primary structure
B. secondary structure
C. tertiary structure
D. Quaternary structure
A

B. Secondary structure

50
Q

A solution with a pH of 7.0 has _____ times ______ H+ than a solution of pH 10.

A

C.10 (3): more