1. #7 Biology/Mrs. McClain 35 Questions
EOCT Review #7
Biology/Mrs. McClain
35 Questions

2. In which structure would you find a nucleus?1
In which structure would you find a nucleus?
a. Bacteria cell
b. Plant cell
c. Prokaryote
d. Virus

3. 2
What type of mutation results when a nucleotide is lost during DNA replication?
a. Substitution
b. Insertion
c. Inversion
d. Deletion

4. 3
Which class of macromolecules store and communicate genetic information?
a. Carbohydrate
b. Nucleic Acids
c. Lipids
d. Proteins

5. What is this called? 4 a. Fertilization b. Crossing over
c. Segregation
d. Mitosis

6. 5 a. Arginine-glycine-serine b. Serine-arginine-arginine
The table shows several DNA codons and their corresponding amino acids.
If a sequence of DNA reads AGT GGG TCT, for what sequence of amino acids does it code?
DNA codon
Amino acid
AGA
Arginine
AGC
Serine
AGT
GGA
Glycine
GGC
GGG
TTG
Leucine
TCG
TCT
a. Arginine-glycine-serine
b. Serine-arginine-arginine
c. Serine-arginine-glycine
d. Serine-glycine-serine

7. What is the capsid of a virus?6
What is the capsid of a virus?
a. The disease it causes
b. The receptors to which it binds
c. The genetic material
d. The protein coat

8. 7 a. Genetic engineering b. Replication c. Transcription
Biotechnology is the use of organisms or their products to improve human health and food production. Sometimes scientist change the DNA of an organism by inserting a gene from another organism. What is this process called?
a. Genetic engineering
b. Replication
c. Transcription
d. Selective breeding

9. 8
Amoxicillin is an antibiotic used to treat ear infections. What is the MOST likely reason why some bacteria have become resistant to the drug?
a. They have learned to survive in its presence
b. They are able either to avoid or to metabolize it
c. Those few individuals that were resistant survived and became more common in the population
d. The manufactures of the drug have made it less potent over time

10. 9
We did a LAB on this!
Which of the following factors is MOST likely to affect the function of an enzyme?
Catalysts
Size of the beaker
Proteins
Temperature

11. A scientist who is studying oak trees would be a:10
A scientist who is studying oak trees would be a:
a. Zoologist
b. Botanist
c. Ecologist
d. Entomologist

12. 11
Which of the following is a symbiotic relationship where both organism benefit?
a. Mutualism
b. Commensalism
c. Altruism
d. Competition

13. a. TGA GTC GTA b. AUG CUG AGU c. UGA GUC GUA d. ATG CTG AGT 12
An RNA molecule was synthesized to form complementary base pairs with a DNA molecule. The sequence of the DNA was TACGACTCA. The RNA sequence should be:
a. TGA GTC GTA
b. AUG CUG AGU
c. UGA GUC GUA
d. ATG CTG AGT

14. Which of the following biomes has the MOST biodiversity?13
Which of the following biomes has the MOST biodiversity?
Tropical rainforest
Desert
Tundra
Estuary

15. Which of the following kingdoms contains only single-celled organisms?14
Which of the following kingdoms contains only single-celled organisms?
a. Eubacteria & Protista
b. Eubateria & Archaebacteria
c. Archaebacteria & Protista
d. Protista & Fungi

16. Which of the following are NOT in Kingdom Protista?15
Which of the following are NOT in Kingdom Protista?
Amoeba
Paramecium
Euglena
Yeast

17. Which group of macromolecules includes enzymes?16
Which group of macromolecules includes enzymes?
a. lipids
b. carbohydrates
c. Nucleic acids
d. proteins

18. Half Way
There!

19. 17
Human activities that increase carbon dioxide in the atmosphere are likely to cause which of the following environmental changes?
a. Decreased plant growth
b. Tsunamis
c. An ice age
d. Global warming

20. To what kingdom do mushrooms belong?18
To what kingdom do mushrooms belong?
a. Eubacteria
b. Protista
c. Fungi
d. Plantae

21. 19
Which of the following statements BEST describes a function of an enzyme?
Enzymes are specialized proteins that serve as catalysts.
Enzymes are carbohydrate-based molecules found in all cells.
The structure enzymes is changed during a chemical reaction.
All enzymes work on all substances.

22. 20 a. Carbohydrate b. Protein c. Lipid d. Nucleic Acid
The diagrams below shows two amino acids. What would biochemists call the result of chaining many of these molecules together?
a. Carbohydrate
b. Protein
c. Lipid
d. Nucleic Acid

23. 21
Which trophic level provides nourishment for the most organisms in the biome?
a. First-order consumers
b. Second-order consumers
c. Producers
d. Decomposers

24. 22
Which of the following pairs of animals are most likely to have a predator/prey relationship?
a. Dog and tapeworm
b. Spider and fly
c. Buffalo and tickbird
d. Whale and barnacle

25. Which of the following is an example of evolution?23
Which of the following is an example of evolution?
a. Erosion of soil by wind
b. A lake drying up in during a drought
c. Hummingbird beaks that allow for sucking nectar from flowers
d. A canyon deepening from river flow

26. 24
Which of the following feet belongs to the bird BEST adapted to survive in an environment in which they need to swim to find food?
a c.
b d.

27. 25
Glucose is formed by plants when they carry out photosynthesis. Glucose is an example of a
Protein
Carbohydrate
Lipid
Nucleic Acid

28. 26
Sharks and penguins both use fins to swim, but their fins developed differently. What type of structures are these?
a. Analogous structures
b. Homologous structures
c. Fossilized structures
d. Biochemical structures

29. What is the best definition of an ecosystem?27
What is the best definition of an ecosystem?
a. Living things in a given area
b. Nonliving things in a given area
c. Plants and animals only
d. All the living and nonliving things in a given area

30. What is a primary cause of eutrophication in aquatic ecosystems?28
What is a primary cause of eutrophication in aquatic ecosystems?
a. Nutrient-rich run-off
b. Increased biodiversity
c. High oxygen levels
d. Loss of algae in the food web

31. 29
Which of the following chemical reactions produces the initial food required for all life on Earth?
a. O2 + H2O + sunlight  C6H12O6 + CO2
b. O2 + C6H12O6  CO2 + H2O
c. CO2 + ATP  C6H12O6 + O2
d. None above

32. Which of the following is an abiotic factor in an ecosystem?30
Which of the following is an abiotic factor in an ecosystem?
a. Predator
b. Earthquake
c. Disease
d. Competition

33. What is the name of this organelle?31
What is the name of this organelle?
a. Chloroplast
b. Endoplasmic Reticulum
c. Nucleus
d. Vacuole

34. 32
Which of the following is an advantage of sexual reproduction over asexual reproduction?
It does not require specialized sex cells
It requires less energy
It leads to greater genetic diversity in a population
It requires only one parent

35. 33
Based on the summary equation for photosynthesis shown below, which of the following are a product of the reaction?
CO2 + H2O  C6H12O6 + O2
a. H2O
b. C6H12O6
c. light
d. CO2

36. 34
Pea Plants can either be tall or short. In this cross, what will be the genotypic percentages?
T T
a. 100% Tt
b. 50% TT and 50% tt
c. 100% tall
d. 50% tall and 50% short t
T = Tall
t = Short

37. How do enzymes speed up chemical reactions?35
How do enzymes speed up chemical reactions?
By raising the activation energy
By lowering the activation energy
By becoming part of the reaction
By releasing proteins

38. The
End