Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Would you be able to assist with questions 3 and 4? (I know that will count as two questions)

Transcribed Image Text:### Sequence Data of SARS-CoV-2 Spike Protein
Scientists have sequenced SARS-CoV-2 genomes from various states to understand genetic variation. Table 1 provides sequence data for the spike protein gene from SARS-CoV-2 viruses collected in different states.
#### Table 1: SARS-CoV-2 Spike Protein Sequence Variations
| State | 1059 | 3037 | 14408 | 18060 | 23403 | 25563 | 28144 | Number of Differences |
|------------|------|------|-------|-------|-------|-------|-------|-----------------------|
| Washington | C | C | C | T | A | G | C | – |
| Utah | C | T | T | C | G | T | T | |
| Colorado | C | C | C | C | A | G | T | |
| Kansas | C | T | T | C | G | G | T | |
| California | T | T | T | C | G | T | T | |
**Explanation:**
- The table lists nucleotide sequences at different positions for samples from several states.
- The sequence from Washington acts as a reference.
- Nucleotides at specific positions show mutations that vary from the Washington sequence.
- The “Number of Differences” column is designed to note differences from the Washington sequence.
**Question 3:**
Which of the following types of mutations is represented in Table 1?
a. substitutions
b. insertions
c. deletions
*Answer to Question 3:* The table primarily shows **substitutions**, where one nucleotide is replaced by another at specific positions.
Expert Solution

Introduction:
Mutations in the DNA happen at random and are not directed in any way to bring about a positive or negative change in the protein being coded by those segments of DNA.
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