The majority of life on earth are: Select one: a. prokaryotes b. eukaryotes c. mammals d....
The majority of life on earth are:
Select one:
a. prokaryotes
b. eukaryotes
c. mammals
d. insects
e. parasites
Homework Answers
Option 'b:eukaryotes' is the correct answer.
Life on earth can be divided into 3 domains, viz., prokarya, archaea and eukarya. Of these, prokarya consists of prokaryotes which include bacteria and cyanobacteria. Archaea is a separate domain in itself and the organisms lie in the middle spectrum between prokaryotes and eukaryotes. Eukarya on the other hand dominates the life on earth. It includes all the multicellular organisms as well as a vast number of unicellular or acellular organisms. It includes all the animals, plants, fungi as well as protists. So, mammals, insects and parasites they are all sub-categories in the eukarya domain. Hence, the majority life-forms on earth belong to eukaryotes.
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The majority of life on earth are:
Select one:
a. prokaryotes
b. eukaryotes
c. mammals
d....
Operon systems are found... A) In prokaryotes B) In Eukaryotes C) In all prokaryotes and eukaryotes...
Operon systems are found... A) In prokaryotes B) In Eukaryotes C) In all prokaryotes and eukaryotes D) Only in protozoans E) All of these
Which of the following is different between prokaryotes and eukaryotes? a Prokaryotes are polycistronic and eukaryotes...
Which of the following is different between prokaryotes and eukaryotes? a Prokaryotes are polycistronic and eukaryotes are monocistronic b Prokaryotes have more complex controls over gene expression than eukaryotes c mRNA only exists in eukaryotes. d DNA does exist in prokaryotes. 2. Do humans contain an 80s ribosome? True or False?
Prokaryotes appeared long before Eukaryotes and continue to be the most abundant life form. Prokaryotes are...
Prokaryotes appeared long before Eukaryotes and continue to be the most abundant life form. Prokaryotes are extremely diverse, their diversity is in the result of their metabolic adaptations and their ability to rapidly change their genetic information A) Explain at least 3 metabolic adaptations of prokaryotes, and B) Compare the three ways in which bacteria exchange genetic information. C) Archaea we thought to be ancestral to bacteria. However, now they are closer to eukaryotes, what evidence supports their new placement...
5) Place the following events on a rough timeline of the history of life on Earth...
5) Place the following events on a rough timeline of the history of life on Earth (using the geological time line on the next page): radiation of the mammals, origin of flight in the insects, earliest fossils, formation of the oxygen rich atmosphere. origin of the Eukaryotes, invasion of land by tetrapods. invasion of land by plants, the largest mass extinction in the history of life on Earth
Which of the following is a major difference between prokaryotes and eukaryotes? a. Eukaryotes have linear...
Which of the following is a major difference between prokaryotes and eukaryotes? a. Eukaryotes have linear chromosomal DNA, prokaryotes do not b. Eukaryotes live in extreme environments, prokaryotes do not c. Prokaryotes live in extreme environments, eukaryotes do not d. Only prokaryotes have histones, eukaryotes do no
Match 1. Cenozoic era 2. Mesozoic era A) Cambrian explosion B) Mammals appeared on the earth....
Match 1. Cenozoic era 2. Mesozoic era A) Cambrian explosion B) Mammals appeared on the earth. C) Prokaryotes appeared on the earth. D) Animals appeared on the earth. 3. Paleozoic era 4. Proterozoic eon 5. Archaean eon E) Human appeared on the earth.
2. While prokaryotes and eukaryotes shape many properties, bacteria lack A cell membranes B DNA C...
2. While prokaryotes and eukaryotes shape many properties, bacteria lack A cell membranes B DNA C RNA D organelles E amino acids
Transcriptional control of gene regulation is common in both prokaryotes and eukaryotes. Which of the following is not true? Both prokaryotes and eukaryotes: A. exhibit both positive and negative cont...
Transcriptional control of gene regulation is common in both prokaryotes and eukaryotes. Which of the following is not true? Both prokaryotes and eukaryotes: A. exhibit both positive and negative control. B. have repressors that impact expression. C. often requires interactions with DNA that is not proximal to structural genes. D. have genes that are closely related in function located proximally on a chromosome
A) What are telomeres? B) Are telomeres present in both Prokaryotes and Eukaryotes? C) Explain why...
A) What are telomeres? B) Are telomeres present in both Prokaryotes and Eukaryotes? C) Explain why some cells have telomeres and others don't (base your explanation on the structure of the DNA molecule and the directionality of polymerases).
24.) last option: all statements are correct 22.) Select one for each box - eukaryotes, prokaryotes,...
24.) last option: all statements are correct
22.) Select one for each box - eukaryotes, prokaryotes, or
both
21) Some of the major consequences of bacteria having a greater ratio of surface are to volume (1 pts) are they are capable of reporducing more rapidity than eukaryotes they can more rapidily exchange of nutrients with their environements than larger eukaryotes they can metabolize compounds more rapidily than eukaryotes O two of the above are correct. All of the above are...
5) Place the following events on a rough timeline of the history of life on Earth (using the geological time line on the next page): radiation of the mammals, origin of flight in the insects, earliest fossils, formation of the oxygen rich atmosphere. origin of the Eukaryotes, invasion of land by tetrapods. invasion of land by plants, the largest mass extinction in the history of life on Earth
Match 1. Cenozoic era 2. Mesozoic era A) Cambrian explosion B) Mammals appeared on the earth. C) Prokaryotes appeared on the earth. D) Animals appeared on the earth. 3. Paleozoic era 4. Proterozoic eon 5. Archaean eon E) Human appeared on the earth.
24.) last option: all statements are correct
22.) Select one for each box - eukaryotes, prokaryotes, or
both
21) Some of the major consequences of bacteria having a greater ratio of surface are to volume (1 pts) are they are capable of reporducing more rapidity than eukaryotes they can more rapidily exchange of nutrients with their environements than larger eukaryotes they can metabolize compounds more rapidily than eukaryotes O two of the above are correct. All of the above are...
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