24)in fungi, food materials are digested A) 2Within food vacuoles. B) Outside th

ID: 204312 • Letter: 2

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24)in fungi, food materials are digested A) 2Within food vacuoles. B) Outside the body C Intracellularly D) By mitochondria E) By the host organism 25) Proksyote genomes often include a central ring of DNA that carry genes involved in “ "contingency" functions. These secondary rings of DNA are called A) flagella B) pili C) endospores D) ribosomes. E) plasmids 26) Chemoautotrphic bacteria obtain their carbon from and their energy from A) Co,... unlight. B) Co.reactions involving inorganic chemicals C) Methan.... sunlight E) Organic molecules... sunlight A) are similar to bacteria because fungi are composed of prokaryotic cells 27) Fungi B) are similar to bacteria because fungi use extra cellular digestion to obtain their nutrients C) are similar to green plants because fungi produce chlorophyll. D) differ from members of the animal kingdom because fungi are autotrophic E) and green plants have cells that are surrounded by a cell wall made of cellulose 28) What kind of entity is a lichen? A) an association between a fungus and a brown alga B) an association between a multicellular protest related to the brown algae and a bacterium. C) an association between a fungus and cyanobacteria or green algae D) an association between a bryophyte and a fungus E) an association between a bryophyte and a bacterium.

Explanation / Answer

24) B

They send their digestive enzymes into the soil and then absorb the left over nutrients

25) E

A plasmid is a ring shaped piece of DNA that is found within the bacterial cells. Plasmids replicate independently of the chromosomal DNA found in the nucleoid but are always copied into next generation cells. Plasmids often contain genes that give bacteria genetic advantages such as antibiotic resistance.

26) B

In nature Autotrophs are organisms that don't need to eat because they make their own biological materials and enrgy. This term comes from Greek

auto - self

troph - to eat or to feed.

Chemoautotrohs derive energy for their life functions from inorganic chemicals. They feed on chemicals that are electron donors, such as hydrogrn sulfide, sulfur.

Like autotrophs, chemoautotrophs also able to fix carbon. They take atoms of carbon from inorganic compounds, like CO2 and by using this for making of organic compounds such as sugars, lipids and proteins.

27) B

Fungi - They send their digestive enzymes into the soil and then absorb the left over nutrients.

Bacteria - There is no mouth for bacteris so they make proteins called enzymes inside the cell and these travell through the cellwall into the sorrounding medium. The enzymes chop the food into tiny subunit which then come into the bacteria cell by osmosis or active transport.

28) C

Lichens are a complex life forms that is a symbiontic partnership of two different organisms, a fungus and an algae. The dominant partner is the fungus, which gives the lichen the majority of its charecteristics. The algae can be either a green algae or a blue-green algae, otherwise known as cyanobacteria. Many lichens will have both types of algae

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24)in fungi, food materials are digested A) 2Within food vacuoles B) Outside the

24)in fungi, food materials are digested A) 2Within food vacuoles. B) Outside th

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24)in fungi, food materials are digested A) 2Within food vacuoles. B) Outside th

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