Chap 1 Flashcards


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1

Which microbes have a true nucleus?

Yeast and Protists

2

All prokaryotes have what?

lack a nucleus

3

What is meant by microorganisms are described as ubiquitous?

They are everywhere

4

Which is true regarding evolutionary theory?

those traits that favor survival are passed on

5

Which process uses the suns energy to produce organic compounds and ATP from carbon dioxide and water?

Photosynthesis

6

Which microbes do not have a true nucleus?

Bacteria and virus

7

The evolution of _______ photosynthesis in microorganisms generated an oxygenated atmosphere over time?

Oxygenic

8

Which two groups of organisms play the greatest role in biological decompostion?

Bacteria and Fungi

9

True or False According to evolutionary theory the environment changes the genes of an individual organism to help it adapt?

False

10

What is the light - fueled conversion of carbon dioxide to organic material called?

Anoxygenic photosynthesis

11

Earths temperature is regulated by atmospheric gases produced by microbes namely?

Carbon dioxide and methane

12

True or False---About photosynthesis, oxygenic photosynthesis is more effective than anoxygenic photosynthesis?

True

13

Microbes that exist within and beneath the earths crust have a significant influence on _____________, ______________, _______________

Weathering

Soil formation

Mineral extraction

14

___________ is the breakdown of dead matter ad wastes into simple compounds that can be directed back into the natural cycle of living things

Decomposition

15

Gases produced by microbes, for example carbon dioxide and methane, help to regulate the ______ of planet earth.

Temperature

16

Genetic _______, or recombinant DNA technology, is a method of deliberately modifying the genetic structure of an organism to create novel products.

Engineering

17

The deliberate manipulation of organisms by transferring genetic material from one organism to another, a type of genetic engineering, is known as?

Recombinant DNA technology

18

It is estimated that up to half of all organisms exist in the _______

earths crust

19

Which of the following processes is the decomposition of harmful chemicals by microbes?

Biomediation

20

What is an example of bioremediation?

utilizing microbes to digest oil after a spill in the ocean

21

What is biotechnology?

The use of microbes or their products for commercial or industrial purposes

22

The concept of living things arising from vital forces in non-living or decomposing material was know as?

Spontaneous generation

23

John needham, Louis Pasteur and other scientists all performed experiments to disprove _______ _______

Spontaneous generation

24

Recombinant DNA technology involves the transfer of ______ ______ from one organism to another.

genetic material

25

__________ is the specific process by which microbes carry out the decomposition of harmful chemicals.

Biomediation

26

Which event helped the science of microbiology?

The development of the microscope