#2
35 Questions

1
Neither enzyme functions at all at a pH of a. 2 b. 5 c. 8 d. 13

2
a. Nucleus b. Mitochondria c. Ribosomes d. Chloroplast

3
Which number in the diagram below indicates a structure that directly controls the movement of
substances into and out of a cell?
a. 3 b. 5 c. 8 d. 1

4
Which process depends on the sun’s energy to produce glucose?
a. Photosynthesis b. Diffusion c. Active Transport d. Osmosis

5
A protein molecule is shown in the diagram below.
Which statement best describes the main function of this type of molecule?
a. It acts as an enzyme in biological reactions b. It stores energy for metabolic processes c.
It determines what traits may be inherited d. It helps transport materials across a cell membrane

6
What term is used to describe organisms that use photosynthesis to produce their own food?
a. An omnivore b. A consumer c. A hetertroph d. A autotroph

7
Which of the following makes up a cell membrane’s bilayer?
a. Phospholipids b. Nucleic Acids c. Carbohydrates d. Amino Acids

8
What is the function of an ATP molecule?
a. Storage of fat b. Storage of energy c. Storage of glucose d. Storage of ADP

9
What type of cell is illustrated in the diagram below?
a. Prokaryote b. Bacterial c. Plant d. Animal

10
Placing a plant cell in a hypotonic solution will cause the cell to a. Shrivel b. Divide c. Stay the same d. Swell

11
Which series best describes increasing levels of organization in nature?
a. Population  Communities  Species b. Ecosystem  Communities  Population c. Population  Communities  Ecosystem d. Communities  Species  Population

12
Amino acids are the monomers that join together to form: a. Nucleic acids b. Proteins c. Carbohydrates d. Lipids

13
The organism below (mushroom) is what type of feeder?
a. Heterotroph b. Autotroph c. Producer d. None of above

14
A breeder crossed a dog that was homozygous
dominant for a particular trait with a dog that is
homozygous recessive for the same trait.
What percentage of the puppies produced will be
homozygous recessive?
a. 75% b. 25% c. 50% d. 0%

15
The complementary mRNA sequence for the DNA sequence
GAACCT is a. GAACCU b. CTTGGA c. CUUGGA d. GAACCT

16
Pepsin is an enzyme that works
best in an environment that is a. Acidic b. Basic c. Neutral d. alkaline

17
An animal cell excretes a protein to outside its membrane by the formation of a vesicle.
Which process is involved in this transport?
a.
Phagocytosis b. Exocytosis c. Endocytosis d. Passive transport

18
DNA (chromosome)
replication occurs during a. Interphase b. Prophase c. Metaphase d. Anaphase

19
Lamark stated that organisms
acquired their traits by: a. Inheriting the trait from their ancestors b. Using or not using their trait c. Wanting their trait d. Asking for their trait

20
A biome that has low precipitation, cold temperatures, and permafrost is the a. Tundra b. Desert c. Tropical Rainforest d. Temperate Forest

21
What organelle is represented by structure “F”?
a. Mitochondria b. Chloroplast c. Nucleus d. Ribosome

22
All the diamond-back rattle snakes living in a desert make up a a. Community b. Population c. Biome d. Habitat

23
a. Physical location of an organism b. Members of the same species in a pond c. Role that an organism fills in its habitat d. Kind of food that an organism eats

24
Energy for this ecosystem originally comes from the a. Grass c. Sun b. Fish d. Water

25
Below show that, in their very early stages of development, the embryos of different vertebrates resemble each other. This similarity suggests that they a. Have identical DNA sequences b. Are adapted for life in the same place c. Probably have the same ancestor d. Can breed to produce fertile offspring

26
Which biotic factor is a characteristic of all ecosystems?
a. Climatic changes b. Interactions among organisms c. Variations in soil d. Changes in air pressure

27
What is represented by structure “B” a. tRNA b. mRNA c. DNA d. None of the above

28
Which of these molecules is
NOT organic?
a. Water b. Lipid c. Carbohydrate d. Protein

29
The figure below illustrates what type of solution?
a. Hypotonic b. Hypertonic c. Isotonic d. None of above

30
What is the structure labeled
“A” on the paramecium
C
B a. Cilia b. Nucleus c. Mitochondria d. Contractile vacuole
A

31
About how many deer can Walla-walla
Island sustain for a long time?
a. 100 b. 80 c. 40 d. 20

32
Enzymes for intracellular
digestion are stored in the a. Vacuoles b. Lysosomes c. Nucleoli d. Mitochondria

33
What is represented by structure “C” a. mRNA b. Anticodon c. Codon d. DNA

34
What stage of mitosis is shown in the drawing below?
a. Prophase b. Metaphase c. Anaphase d. Telophase

35
The process shown in the diagram below does NOT result in the formation of a: a. diploid cell b. haploid cell c. sex cell d. gamete