Which of these choices is a natural product

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Reference no: EM132203195

QUESTION 1

Which of these choices is a natural product?

  1. Ethane made from natural gas
  2. Aspirin synthesized in the lab
  3. Ice cream made with natural ingredients and no artificial chemicals
  4. Alginic acid isolated from brown algae

QUESTION 2

According to the endosymbiotic theory,

  1. ancient fungi are the ancestors of land plants
  2. eukaryotes are the product of a prokaryote engulfing membranes and ribosomes
  3. ancient green algae are the ancestors of land plants 
  4. eukaryotes are a product of one prokaryote engulfing another

QUESTION 3

Eukaryotic organelles that are thought to have originated by endosymbiosis include

  1. plastids
  2. ribosomes
  3. centrioles
  4. nucleus
  5. endoplasmic reticulum

QUESTION 4

Which of these Divisions includes organisms that live in freshwater, as well as the most abundant organisms in the ocean?

  1. Division Chrysophyta
  2. Division Chlorophyta
  3. Division Phaeophyta
  4. Division Rhodophyta
  5. All of them

QUESTION 5

Which of these Divisions includes the source of agar?

  1. Division Chrysophyta
  2. Division Chlorophyta
  3. Division Phaeophyta
  4. Division Rhodophyta
  5. All of them

QUESTION 6

Which of these Divisions include organisms that have chlorophyll a?

  1. Division Chrysophyta
  2. Division Chlorophyta
  3. Division Phaeophyta
  4. Division Rhodophyta
  5. All of them

QUESTION 7

Mitochondria _________________.

  1. were once anaerobic and later become aerobic.
  2. have a structure that is similar to certain free-living algae species. 
  3. divide by binary fission in a manner similar to many prokyarotes. 
  4. divide by mitosis in a manner similar to many eukaryotes.

QUESTION 8

Which of these statements are true about bryophytes?

  1. The gametophytes are larger and more conspicuous than the sporophyte generation
  2. They are never found in inhospitable environments like tundras and deserts
  3. The sporophytes are larger and more conspicuous than the gametophyte generation
  4. They conduct water and nutrients in vascular tissue

QUESTION 9

What type of life cycle do bryophytes have?

  1. Diploid-dominant
  2. Alternation of isomorphic generations
  3. Monobiontic
  4. Alternation of generations

QUESTION 10

Members of this group of algal species are known as kelp. They often have large complex bodies and are found along rocky coasts. Division _____________________.

Reference no: EM132203195

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