Homework answers / question archive / California State University, Northridge BIO 101 Chapter 11 1)In the structure of DNA, which joins the sugar to a phosphate?   2

California State University, Northridge BIO 101 Chapter 11 1)In the structure of DNA, which joins the sugar to a phosphate?   2

Biology

Share With

---

California State University, Northridge

BIO 101

Chapter 11

1)In the structure of DNA, which joins the sugar to a phosphate?

 

2.            A DNA nucleotide has all of the following parts, EXCEPT:

 

3.            Which one of these would base-pair with the following DNA?

 

4.            By the early 1950s, many biologists realized that the key to understanding inheritance lay in the structure of:

 

 

5.            DNA replication produces two double helices, each with               .

 

6.            A DNA nucleotide is made up of (in the correct sequence):

 

7.            Match the bacterial strains of Griffith's experiments with the outcomes, where "R" is the strain that does not cause pneumonia and "S" is the strain that does.

 

8.            In the comparison of a DNA molecule to a twisted ladder, the uprights of the ladder consist of:

 

9.            If the double-stranded DNA of a certain organism has guanine as 30% of its bases, then what percentage of its bases are adenine?

10           In the DNA backbone, phosphate groups are bound to:

11           Match the base with its complementary base

 

12. Why did scientists initially think DNA would be a poor candidate for the hereditary information within a cell?

 

13.  Bacterial transformation takes place when a bacterium takes up       from

the environment.  

 

 

14. 1A change in the sequence of             in a DNA molecule is called a mutation.

 

15.          The sequence of components in the DNA "backbone" is:

 

16.          It became apparent to Watson and Crick after completing their model that a DNA molecule could carry a vast amount of hereditary information in its:

17.          Which of the following would be mutations? 

 

18.          Avery and colleagues repeated Griffith's experiments and determined that

                was responsible for the transformation of bacteria.

 

 

 

 

19           Match the base compositions in a way that is consistent with Chargaff's Rules.

20           In a DNA molecule, base pairing occurs between: