BIOLOGY HOW LIFE WORKS (LL) W/ 2 TERM AC
3rd Edition
ISBN: 9781319533168
Author: Morris
Publisher: MAC HIGHER
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Chapter 24.5, Problem 11SAQ
Summary Introduction
The size and shape of microorganisms are immediately revealed upon examination using a microscope. Among Archaea, several different morphologies are found. Archaeal cells vary in size ranging from 0.2 µm to >700 µm in diameter. In general, the size of rod-shaped cells ranges from 0.5 – 4 µm in width and <15 µm in length. Archaeal cells are prokaryotes and they do not possess a membrane-bound nucleus. Their genes are arranged in the form of a single circular chromosome.
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BIOLOGY HOW LIFE WORKS (LL) W/ 2 TERM AC
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- If all prokaryotes were eliminated from the planeta) animals would thrive because there would be no disease.b) archaea would thrive because there would be no competition for nutrients.c) all animals would die.d) animals and archaea would thrive.arrow_forwardWhich of the following organisms would be considered to be an autotroph? A) a yeast B) a mold C) a protozoan D) an algaarrow_forwardSome prokaryotes, especially archaea, are capable of living in extreme environments, such as deep-sea vents, where temperatures can reach 80°C (176°F). Few organisms can survive at this temperature. What adaptations might archaea possess that allow them to survive in such extreme heat?arrow_forward
- The organisms with only one cell in their body are : A)blue green algae B)Mitochondria C)cell wallarrow_forwardWhy would archaea that grow in extreme environments be more intensively studied than those that do not?arrow_forwardMethanogenesis is a metabolic process found only among certain members of domain Archaea. A) O True B) O Falsearrow_forward
- Which of the following is true regarding the diversity of life ? a) Domain Archaea does not contain any disease-causing organisms. b) Bacteria can vary greatly in size and range up to 700 µm in length Microbial Eukarya may have first arisen two billion years ago, well before fungi, plants c) animal d) All of the above are true 7:33 /arrow_forwardIn which environments do bacteria live?arrow_forwardThere are major differences between the bacteria and the archaea but both groups were historically grouped together. i) summarize the similarities between the bacteria and archaea, ii) what are the differences between the two groups that allow us to distinguish them?arrow_forward
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