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26 Apr 2018

Name the three domains of life and all the kingdoms within them. Then indicate the two factors that differentiate one domain from another and one kingdom from every other.

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27 Apr 2018

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Chapter 19:Systematics: Seeking Order Amid Diversity

What are three domains of life?

Bacteria, Archaea, and Eukarya

What are the eight major categories of classification, going from the most general to the most specific?

Using Figure 19-6, what are the four major kingdoms in the Domain Eukarya?

Chapter 20: The Diversity of Prokaryotesand Viruses

How do members of the domains Bacteria and Archaea differ from each other?

How do bacteria affect humans, postively and negativley?

1. How do biologists link information stored in different databases?

Select one:

a. By query of the sequence

b. By accession number

c. By searching the references

d. By description of sequences

2. In biological databases, data can be derived from a variety of sources. Which of the following cannot be found in any biological databases?

Select one:

a. Sequencing

b. Gene Threading

c. Microarray

d. Gene Expressions

3. All of the following are "annotations" often found on a typical GenBank sequence, EXCEPT: Select one:

a. Publications related to the sequence

b. Source of the biological material sequenced

c. 3D structure of the DNA sequence

d. Taxonomic classification for the organism to which the sequence data belongs

4. How many domains may a protein have? Select one:

a. A protein may have more than one domain

b. Exactly two domains -- one hydrophobic domain and one hydrophilic domain

c. Proteins cannot have domains since proteins are made with amino acids and domains are regions on the genome

d. Every protein must have one domain because it performs one function

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17. What is citizen science? a) Science projects in which scientists study citizen b) Science project in which citizens are trained to become scientists in the future c) Science projects in which the public participates by collecting data, analyzing data, or participating as subjects d) Science projects in which scientists study the nature of being a good citizen

18. When considering the evolutionary tree of life and the three domains of life, which statement best describes what likely happened over the course of millions of years of evolution? Choose one:

A. Bacterial and eukaryotic cells are more closely related to each other than to archaeans, as evidenced by the fact that bacteria and eukaryotes do not inhabit the most extreme environments.
B. Although their cell structures are very different, archaean and eukaryotic cells are more closely related to each other than to bacteria, as evidenced by the fact that Bacteria was the first domain to split from the shared ancestor of Archaea and Eukarya.

C. Bacteria and archaeans are more closely related to each other than to eukaryotes, as evidenced by their cell structures. Bacteria and archaeans are prokaryotic, while all eukaryotic cells contain mitochondria and other membrane-bound organelles.
D. The three domains of life are equally divergent from one another, so no two domains are more closely related to each other. This is supported by the evolutionary tree of life because three branches extend from one node millions of years ago.