SCI 115 week 4

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·         Question 1

2.5 out of 2.5 points

  
 

In a diploid organism cells contain

   

 

 

 

 

   

·         Question 2

2.5 out of 2.5 points

  
 

A eukaryotic chromosome consists of

   

 

 

 

 

   

·         Question 3

2.5 out of 2.5 points

  
 

If a DNA molecule was a spiral staircase, what would the steps of the staircase be?

   

 

 

 

 

   

·         Question 4

2.5 out of 2.5 points

  
 

Which of the following is the correct complementary bonding of nitrogen containing bases in DNA?

   

 

 

 

 

   

·         Question 5

2.5 out of 2.5 points

  
 

From X-ray diffraction data, which of the following was determined about DNA?

   

 

 

 

 

   

·         Question 6

2.5 out of 2.5 points

  
 

How does an adult somatic cell differ from an embryonic stem cell?

   

 

 

 

 

   

·         Question 7

2.5 out of 2.5 points

  
 

A gene is a DNA sequence that codes for a protein or

   

 

 

 

 

   

·         Question 8

2.5 out of 2.5 points

  
 

Intervening sequences that are removed from a mRNA before it leaves the nucleus are called:

   

 

 

 

 

   

·         Question 9

2.5 out of 2.5 points

  
 

Transcription starts at a region of DNA called a(n)

   

 

 

 

 

   

·         Question 10

2.5 out of 2.5 points

  
 

A ribosome contains

   

 

 

 

 

   

·         Question 11

2.5 out of 2.5 points

  
 

____ molecules carry amino acids to ribosomes.

   

 

 

 

 

   

·         Question 12

2.5 out of 2.5 points

  
 

Heritable changes in gene expression not due to changes in DNA sequences is referred to as

   

 

 

 

 

   

 

 

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