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Biology/biotech April 19th

75 Questions  I  By Goldenstandards
Biology Quizzes & Trivia
Biology/Biotech April 19th. Tomorrow.

  
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1. 
A cell that completed the cell cycle without undergoing cytokinesis would ______.
A.
B.
C.
D.
E.
2. 
One difference between mitosis and meiosis is ______.
A.
B.
C.
D.
E.
3. 
Chromatin consists of ______.
A.
B.
C.
D.
E.
4. 
Crossing over during prophase I results in ______.
A.
B.
C.
D.
E.
5. 
During metaphase ______.
A.
B.
C.
D.
E.
6. 
Chromosomes that do not determine the sex of an individual are called ______.
A.
B.
C.
D.
E.
7. 
A true-breeding plant that produces yellow seeds is crossed with a true-breeding plant that produces green seeds. The F1 plants have yellow seeds. What is the expected phenotypic ratio of seed color of the offspring of an F1 × F1 cross?
A.
B.
C.
D.
E.
8.  The chromosomes of eukaryotic cells are found in the ______.
A.
B.
C.
D.
E.
9. 
In humans, the inheritance of ______ is best explained as being polygenic.
A.
B.
C.
D.
E.
10. 
How many chromosomes does an individual with Turner syndrome have?
A.
B.
C.
D.
E.
11. 
Viruses that infect bacteria are ______.
A.
B.
C.
D.
E.
12. 
Alleles are described as ______.
A.
B.
C.
D.
E.
13. 
A duplicated chromosome consists of two ______.
A.
B.
C.
D.
E.
14. 
An individual with the genotype AaBb produces four different gametes in equal proportions. This is a demonstration of ______.
A.
B.
C.
D.
E.
15. 
To determine the phenotype of an individual who expresses a dominant trait, you would cross that individual with an individual who ______.
A.
B.
C.
D.
E.
16.  What is the difference between a benign and a malignant tumor?
A.
B.
C.
D.
E.
17. 
The ______ is most commonly found in nature.
A.
B.
C.
D.
E.
18.  Which of the following occurs during interphase?
A.
B.
C.
D.
E.
19. 
Attached earlobes are recessive to free earlobes. What is the probability of having a child with attached earlobes when an individual with attached earlobes mates with an individual heterozygous for free earlobes?
A.
B.
C.
D.
E.
20. 
The best definition of a true-breeding plant is one that ______.
A.
B.
C.
D.
E.
21. 
The correct sequence of stages of mitosis is ______.
A.
B.
C.
D.
E.
22. 
HIV (human immunodeficiency virus) must use its own ______ to reproduce.
A.
B.
C.
D.
E.
23. 
Where is translation accomplished?
A.
B.
C.
D.
E.
24. 
Evidence for the spiral nature of DNA came from ______.
A.
B.
C.
D.
E.
25. 
What protects mRNA from attack by cellular enzymes?
A.
B.
C.
D.
E.
26. 
Transcription is the ______.
A.
B.
C.
D.
E.
27. 
How many amino acids are common to all living systems?
A.
B.
C.
D.
E.
28. 
How can a single RNA transcript be translated into different polypeptides?
A.
B.
C.
D.
E.
29. 
The correct sequence of events occurring during transcription is ______.
A.
B.
C.
D.
E.
30. 
Which of these crosses will only produce heterozygous offspring?
A.
B.
C.
D.
E.
31. 
Which of the following techniques is used to collect fetal cells during pregnancy for genetic testing?
A.
B.
C.
D.
E.
32. 
The DNA double helix is ______.
A.
B.
C.
D.
E.
33. 
What is the ultimate source of all diversity?
A.
B.
C.
D.
E.
34. 
Cells communicate with one another via ______.
A.
B.
C.
D.
E.
35. 
What is the key to the recognition of codominance?
A.
B.
C.
D.
E.
36. 
A(n) ______ is to bacteria as a ______ is to animal cells.
A.
B.
C.
D.
E.
37. 
Who discovered the structure of DNA?
A.
B.
C.
D.
E.
38. 
What is the correct order of the stages of translation?
A.
B.
C.
D.
E.
39. 
Which of these lifestyle choices will increase cancer risk?
A.
B.
C.
D.
E.
40. 
Genetically modifying human ______ cells may directly affect future generations.
A.
B.
C.
D.
E.
41. 
An individual who is homozygous ______.
A.
B.
C.
D.
E.
42. 
In bacteria, what name is given to a cluster of genes with related functions, along with their control sequences?
A.
B.
C.
D.
E.
43. 
During replication, ______ are the enzymes responsible for joining the nucleotides of a new DNA strand together.
A.
B.
C.
D.
E.
44. 
In an operon, the ______ acts as an on/off switch.
A.
B.
C.
D.
E.
45. 
What name is given to the collection of traits exhibited by an organism?
A.
B.
C.
D.
E.
46. 
More people die of ______ cancer than of any other cancer.
A.
B.
C.
D.
E.
47. 
Inheritance of certain genes increases the risk of getting certain cancers; thus, it can be said that ______.
A.
B.
C.
D.
E.
48. 
Which of the following enzymes is responsible for RNA synthesis?
A.
B.
C.
D.
E.
49. 
A vaccine works by ______.
A.
B.
C.
D.
E.
50. 
Possible uses of reproductive cloning include ______.
A.
B.
C.
D.
E.
51. 
Which of the following turns off transcription by binding to the operator?
A.
B.
C.
D.
E.
52. 
Which of the following best defines the term transgenic animal?
A.
B.
C.
D.
E.
53. 
DNA and RNA are polymers composed of ______ monomers.
A.
B.
C.
D.
E.
54. 
Bacterial RNA polymerase binds to the ______.
A.
B.
C.
D.
E.
55. 
Introns are ______.
A.
B.
C.
D.
E.
56. 
Restriction enzymes are obtained from ______.
A.
B.
C.
D.
E.
57. 
Which of these is a genetically modified organism?
A.
B.
C.
D.
E.
58. 
Which of these can act as a vector to introduce new genes into a cell?
A.
B.
C.
D.
E.
59. 
When plasmids are used to produce a desired protein, the ______.
A.
B.
C.
D.
E.
60. 
The Human Genome Project has the potential to ______.
A.
B.
C.
D.
E.
61. 
The study of the full protein sets that genomes encode is _____.
A.
B.
C.
D.
E.
62. 
The modern phrasing of Beadle and Tatum's hypothesis about relationships between genes and their products is "one gene-one ______."
A.
B.
C.
D.
63. 
The process of making multiple copies of a gene by inserting it into a host genome and culturing the host is an example of ______.
A.
B.
C.
D.
E.
64. 
How is it that the cells in different body tissues are able to perform different functions?
A.
B.
C.
D.
E.
65. 
What is a difference between embryonic and adult stem cells?
A.
B.
C.
D.
E.
66. 
Ethical dilemmas raised by DNA technology and knowledge of the human genome include ______.
A.
B.
C.
D.
E.
67. 
Which enzyme is used to bind DNA fragments together?
A.
B.
C.
D.
E.
68. 
"Sticky ends" are produced as a result of the action of ______.
A.
B.
C.
D.
E.
69. 
What name is given to a region of DNA that varies from person to person?
A.
B.
C.
D.
E.
70. 
Which of the following is the best definition for recombinant DNA?
A.
B.
C.
D.
E.
71. 
The world's first genetically engineered pharmaceutical product was ______.
A.
B.
C.
D.
E.
72. 
At one point, you were just an undifferentiated, single cell. You are now made of many cells; some of these cells function as liver cells, some as muscle cells, some as red blood cells, while others play different roles. What name is given to the process that is responsible for this?
A.
B.
C.
D.
E.
73. 
The scientific field that studies whole genomes is called ______.
A.
B.
C.
D.
E.
74. 
Gel electrophoresis separates DNA fragments on the basis of differences in their ______.
A.
B.
C.
D.
E.
75. 
Nucleic acid probes are used to ______.
A.
B.
C.
D.
E.
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