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TEST BANK FOR CAMPBELL BIOLOGY 12TH EDITION || CHAPTERS 16||FULL COMPLETE||LATEST
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TEST BANK FOR CAMPBELL BIOLOGY 12TH EDITION || CHAPTERS 16||FULL COMPLETE||LATEST
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ESTUDYTEST BANK FOR CAMPBELL BIOLOGY 12TH EDITION
|| CHAPTERS 2||FULL COMPLETE||LATEST
**1) What is transformation in genetics?**
A) The cell grows without dividing
B) Change in a cell’s genotype and phenotype due to the uptake of external DNA
C) When a virus infects a bacteria
D) When a gene mutates inside the nucleus
**✔✔ - ANSWER - B) Change in a cell’s genotype and phenotype due to the uptake of external DNA**
---
**2) What are bacteriophages?**
A) Bacteria that eat viruses
B) Viruses that infect bacteria
C) Enzymes that break down DNA
D) Special kinds of bacteria
**✔✔ - ANSWER - B) Viruses that infect bacteria**
---
**3) What is a virus made of?**
A) Only RNA
B) Only proteins
C) DNA or RNA enclosed in a protective protein coat
D) Just sugar and phosphate
**✔✔ - ANSWER - C) DNA or RNA enclosed in a protective protein coat**
---
**4) What was the purpose of the Hershey-Chase Experiment?**
, ESTUDY
A) To discover the structure of DNA
B) To trace the fate of proteins and DNA in phages during infection of bacterial cells
C) To find the function of RNA
D) To prove that viruses are alive
**✔✔ - ANSWER - B) To trace the fate of proteins and DNA in phages during infection of bacterial
cells**
---
**5) What is DNA?**
A) A protein that codes for traits
B) A molecule made of nitrogenous bases, a sugar, and a phosphate group
C) A sequence of proteins that control cell growth
D) A virus that changes the genetic makeup of cells
**✔✔ - ANSWER - B) A molecule made of nitrogenous bases, a sugar, and a phosphate group**
---
**6) What is complementary base pairing in DNA?**
A) A pairs with G, and T pairs with C
B) A pairs with T, and G pairs with C
C) C pairs with A, and G pairs with T
D) All bases pair randomly
**✔✔ - ANSWER - B) A pairs with T, and G pairs with C**
---
**7) What shape is DNA?**
A) A straight line
B) A square structure
C) A double helix
D) A circular loop
**✔✔ - ANSWER - C) A double helix**
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