Docsity
Docsity

Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity


Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan


Guidelines and tips
Guidelines and tips

General Biology - Questions with Answers | Biol 102, Exams of Biology

Material Type: Exam; Professor: Verrell; Class: [B] General Biology; Subject: Biology; University: Washington State University; Term: Fall 2009;

Typology: Exams

Pre 2010

Uploaded on 12/03/2009

dwahlman
dwahlman 🇺🇸

4.3

(11)

1 document

1 / 3

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
1. Which is closest to the number of protein coding genes across all of the chromosomes in a
human body cell, as determined by the HGP?
a. About 30 thousand
2. Most of the DNA in a human cell codes for protein.
a. False
3. Which is true of restriction enzymes?
a. They cut specific sequences of DNA nucleotides
4. What natural process is mimicked in the lab when we use the PCR technique?
a. Replication of DNA
5. Into what structures can we place genes so that bacteria will then produce human proteins?
a. Plasmids
6. Golden rice has been genetically engineered. What is special about it?
a. It contains high levels of certain vitamins
7. BT corn have been genetically engineered. What is special about them?
a. It produces its own insect killing chemicals
8. If two healthy carriers of a recessive genetic disease visit a genetic counselor, what will that
person tell them about the chances that they will produce an unhealthy child?
a. Their chances are 1 in 4
9. If a mother who is heterozygous and a father who is homozygous recessive, what are their
chances that they will produce an unhealthy child?
a. Their chances are 2 in 4
10. What is the number of haploid chromosomes you would expect to find in a normal human?
a. 23
11. What is the diploid number of chromosomes you would expect to find in a normal human?
a. 46
12. Which disorder is associated with the trisomy of chromosome 21?
a. Down syndrome
13. Which of the following techniques would be most helpful in diagnosing a genetic disease as
soon as possible after fertilization?
a. Blastomere analysis
14. What vectors are being explored for the efficiency with which they can deliver DNA into
defective human cells for the gene therapy?
a. Viruses
15. With more research, which kind of gene therapy might result in a cure that extends to the
children of a treated person?
a. Therapy of the person as a fertilized egg
16. Which is the most accurate as the definition of a stem cell?
a. A cell that has the potential to develop into any other kind of cell
17. Which of the following best describes the process of stem cell formation?
a. Totipotent cells produce pluripotent cells that produce committed cells
18. Based on ethical concerns, which did president Bush decide about research on human
embryonic stem cells in the United States?
pf3

Partial preview of the text

Download General Biology - Questions with Answers | Biol 102 and more Exams Biology in PDF only on Docsity!

  1. Which is closest to the number of protein coding genes across all of the chromosomes in a human body cell, as determined by the HGP? a. About 30 thousand
  2. Most of the DNA in a human cell codes for protein. a. False
  3. Which is true of restriction enzymes? a. They cut specific sequences of DNA nucleotides
  4. What natural process is mimicked in the lab when we use the PCR technique? a. Replication of DNA
  5. Into what structures can we place genes so that bacteria will then produce human proteins? a. Plasmids
  6. Golden rice has been genetically engineered. What is special about it? a. It contains high levels of certain vitamins
  7. BT corn have been genetically engineered. What is special about them? a. It produces its own insect killing chemicals
  8. If two healthy carriers of a recessive genetic disease visit a genetic counselor, what will that person tell them about the chances that they will produce an unhealthy child? a. Their chances are 1 in 4
  9. If a mother who is heterozygous and a father who is homozygous recessive, what are their chances that they will produce an unhealthy child? a. Their chances are 2 in 4
  10. What is the number of haploid chromosomes you would expect to find in a normal human? a. 23
  11. What is the diploid number of chromosomes you would expect to find in a normal human? a. 46
  12. Which disorder is associated with the trisomy of chromosome 21? a. Down syndrome
  13. Which of the following techniques would be most helpful in diagnosing a genetic disease as soon as possible after fertilization? a. Blastomere analysis
  14. What vectors are being explored for the efficiency with which they can deliver DNA into defective human cells for the gene therapy? a. Viruses
  15. With more research, which kind of gene therapy might result in a cure that extends to the children of a treated person? a. Therapy of the person as a fertilized egg
  16. Which is the most accurate as the definition of a stem cell? a. A cell that has the potential to develop into any other kind of cell
  17. Which of the following best describes the process of stem cell formation? a. Totipotent cells produce pluripotent cells that produce committed cells
  18. Based on ethical concerns, which did president Bush decide about research on human embryonic stem cells in the United States?

a. Only such stem cells obtained before 2001 can be studied using federal funding

  1. Which of the following best describes the process of nuclear cloning? a. A body-cell nucleus is placed into and egg whose own nucleus has been removed
  2. What made dolly the sheep so special in the 1990s? a. She was cloned form adult DNA
  3. Dolly is dead now, why did she get old too fast? a. The ends of her chromosomes were old
  4. What is most true about therapeutic cloning? a. Stem cells are obtained that are genetically identical to the DNA doner
  5. All mutations change the proteins that are coded by DNA triplets a. False
  6. Which of the following is most true of the hormone testosterone? a. It is produced by leydig cells
  7. Sperm production is regulated by negative feedback. What hormone produced in seminiferous tubules affects the pituitary gland to regulate spermatogenesis? a. Inhibin
  8. Which of the following hormones in most important in stimulating the production of sperm and eggs? a. FSH
  9. By what process does the drug Viagra help some men to have successful sexual intercourse? a. By increasing blood flow to the penis
  10. Which of the following hormones is detected in a pregnancy test? a. HCG
  11. How many sperm penetrate and egg at fertilization? a. One
  12. A surge of which hormone is responsible for the rupture of a follicle at ovulation? a. LH
  13. When during the menstrual cycle, would I expect to find a corpus luteum? a. After ovulation
  14. Jack and jill went up the hill…at what time in jill’s menstrual cycle would she be most likely to become pregnant? a. Around day 14
  15. Where does fertilization usually occur? a. In a fallopian tube
  16. Which of the following hormones is produced by a young embryo just after implantation? a. HCG
  17. Which of the following problems would be most likely to occur if a woman’s corpus luteum failed to function properly? a. A pregnant women might lose her young embryo
  18. By about what time during pregnancy have cells in most of the baby’s major organ systems become more or less fully differentiated? a. After about 8 weeks