This is a comprehensive exam covering all of the material we have learned this year. Each unit is represented with 5 overarching questions.
This is a comprehensive exam covering all of the material we have learned this year. Each unit is represented with 5 overarching questions.
Unit 0 - Nature of Science
1 point
1
Question 1
1.
Which of the following is true about the conclusion in an experiment?
1 point
1
Question 2
2.
A scientific hypothesis
1 point
1
Question 3
3.
The variable that changes in response to the independent variable is the _________ variable.
1 point
1
Question 4
4.
What is the independent variable in this experiment?
1 point
1
Question 5
5.
Scientists communicate their results by publishing their work. What reasoning explains why this is important?
Unit 1 - Biochemistry
1 point
1
Question 6
6.
Enzymes can act as organic catalysts in living things. How do enzymes affect reaction rates in cells?
1 point
1
Question 7
7.
Match each macromolecule on the left to its function on the right
Draggable item
arrow_right_alt
Corresponding Item
Nucleic Acids
arrow_right_alt
Quick energy source; structural support in plants
Lipid
arrow_right_alt
Cell membranes; waterproof coating; chemical messengers
Carbohydrate
arrow_right_alt
Muscles, structural, antibodies, enzymes
Protein
arrow_right_alt
Carry genetic information
1 point
1
Question 8
8.
Match the monomer on the left with the macromolecule that it is makes on the right.
Draggable item
arrow_right_alt
Corresponding Item
Nucleotide
arrow_right_alt
Protein
Fatty acid/Glycerol
arrow_right_alt
Nucleic acid
Amino acid
arrow_right_alt
Lipid
Monosaccharide
arrow_right_alt
Carbohydrate
1 point
1
Question 9
9.
Water molecules stick to each other through what type of bonding?
1 point
1
Question 10
10.
Which 2 enzymes can function in a neutral pH?
Unit 2 - Cells
1 point
1
Question 11
11.
Which structure-function pair is mismatched?
1 point
1
Question 12
12.
The cell membrane is described as selectively permeable. Select one of the following choices that best describes the cell membrane as selectively permeable.
1 point
1
Question 13
13.
The phospholipid bilayer describes a structure with:
1 point
1
Question 14
14.
Cells have special structures within them that perform specific functions. These structures are called_________?
1 point
1
Question 15
15.
Which correctly pairs the direction water will move and the type of solution the cell is in?
Unit 3 - Energetics
1 point
1
Question 16
16.
A scientist observed that during the course of a chemical reaction the number of ATP molecules was reduced . What did the scientist most likely learn from the observation?
1 point
1
Question 17
17.
The diagram shows the structure of adenosine diphosphate (ADP). What describes the conversion of ADP to ATP?
1 point
1
Question 18
18.
Most of cellular respiration occurs inside of which organelle?
1 point
1
Question 19
19.
The energy produced during respiration is placed into what energy molecule?
1 point
1
Question 20
20.
Which product of photosynthesis is the food?
Unit 4 - Cell Growth & Division
1 point
1
Question 21
21.
The cell cycle is the
1 point
1
Question 22
22.
Fruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have
1 point
1
Question 23
23.
The correct order for the cells shown in the figure above is:
1 point
1
Question 24
24.
If a somatic (body) cell starts with 60 chromosomes, how many chromosomes would the new gametic (sperm or egg) cell have after going through meiosis?
1 point
1
Question 25
25.
Which process is illustrated in the diagram above?
Unit 5 - Genetics and Heredity
1 point
1
Question 26
26.
Which of the following shows a homozgous dominant genotype?
1 point
1
Question 27
27.
If both parents are homozygous dominant for brown eyes. What is the probabitility of them having a child with blue eyes?
1 point
1
Question 28
28.
Factors that control traits are called
1 point
1
Question 29
29.
An organism’s physical appearance is its
1 point
1
Question 30
30.
In the table shown above, among the offspring, what is the ratio of dominant to recessive for this trait?
Unit 6 - Nucleic Acids & Protein Synthesis
1 point
1
Question 31
31.
Assume that the DNA of an organism contains 20% adenine (A). What percentage of guanine (G) would be in this DNA?
1 point
1
Question 32
32.
The molecule that carries the transcribed DNA template code is
1 point
1
Question 33
33.
The process of copying a gene's DNA sequence into a sequence of RNA is called:
1 point
1
Question 34
34.
Assign each of the characteristics below to either DNA or RNA.
Adenine
Found only in the nucleus
Ribose
Guanine
Uracil
Thymine
Found in the nucleus and cytoplasm
Single stranded
Cytosine
Made up of nucleotides
Deoxyribose
Double stranded
DNA
RNA
Both DNA & RNA
1 point
1
Question 35
35.
Transcribe the mRNA T A C C C G C A T A T A into Amino Acids (Use the codon wheel for abbreviations)
Unit 7 - Evolution & Classification
1 point
1
Question 36
36.
Which organism is most closely related to the whale?
1 point
1
Question 37
37.
A mechanism for change in populations where an organism with a favorable trait survives, reproduces, and pass the favorable phenotype to the next generation. Organisms without the favorable phenotype are less likley to survive and reproduce.
1 point
1
Question 38
38.
Structural features with a common evolutionary origin
1 point
1
Question 39
39.
An organism’s scientific name consists of
1 point
1
Question 40
40.
Which group of organisms includes only multicellular heterotrophs?
Unit 8 - Viruses & Bacteria
Required
1 point
1
Question 41
41.
Draggable item
arrow_right_alt
Corresponding Item
arrow_right_alt
virus
arrow_right_alt
animal cell
arrow_right_alt
bacteria
Required
1 point
1
Question 42
42.
Draggable item
arrow_right_alt
Corresponding Item
arrow_right_alt
eukaryote
arrow_right_alt
prokaryote
arrow_right_alt
non-living
Required
1 point
1
Question 43
43.
Which of these describes a difference between viruses and cells?
1 point
1
Question 44
44.
What does the term 'viral infection' mean?
Required
1 point
1
Question 45
45.
Bacteria are living organisms.
Unit 9 - Ecology
1 point
1
Question 46
46.
Ticks feeding off deer and its nutrients is an example of which type of symbiosis?
1 point
1
Question 47
47.
_______________ is all of the populations of different species that live in the same area and interact with one another.
1 point
1
Question 48
48.
Which type of succession takes longer and why?
1 point
1
Question 49
49.
If a bird eats a mouse that eats grass, the bird is a(n)
1 point
1
Question 50
50.
The largest population that an environment can support is called its