A DNA sequence consists of a string of elements called nucleotides, in a defined order. Suppose the DNA sequence of a virus is 10 nucleotides long. If each nucleotide can be either a G, T, C, or A, how many different sequences are possible?

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter9: Sequences, Probability And Counting Theory
Section9.5: Counting Principles
Problem 39SE: How many arrangements can be made from the letters of the word “mountains” if all the vowels must...
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A DNA sequence consists of a string of elements called nucleotides, in a defined order.
Suppose the DNA sequence of a virus is 10 nucleotides long. If each nucleotide can be
either a G, T, C, or A, how many different sequences are possible?
Transcribed Image Text:A DNA sequence consists of a string of elements called nucleotides, in a defined order. Suppose the DNA sequence of a virus is 10 nucleotides long. If each nucleotide can be either a G, T, C, or A, how many different sequences are possible?
A palindrome is a word, such as "radar" reads the same forward and backward. How many
different 9-letter palindromes are possible if they do not need to be real words and there are
only 6 letters in the alphabet?
Transcribed Image Text:A palindrome is a word, such as "radar" reads the same forward and backward. How many different 9-letter palindromes are possible if they do not need to be real words and there are only 6 letters in the alphabet?
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