35) All fungi share which of the following characteristies? A) symbiotic B) hete

Question

35) All fungi share which of the following characteristies? A) symbiotic B) heterotrophic. C) Flagellated. D) pathogenic E act as decomposers 36.) What is the function of reverse transcriptase in retrovhuses A) It hydrolyzes the host cell's DNA B) It uses viral RNA as a template for DNA synthesis C) It converts host RNA into viral DNA D) it translates viral RNA inte proteins E) It uses viral RNA as a template for making complementery RNA strends 37) Which of the following statements about dinfagelates ih rve A) B) C) their walls are usually composed of silice plates All known varieties are autetrophie They possess two flagella D) Many types lack mitechondria E) Their dead cells accumulate on the sea no. .nd ~ ydtowne a.mm 38) Recently a microbe that is able to digest celuese was efscovered in e iwihn temperature of 95 C. Predic A) Archaea. B) Protobacteria C) Cyanobacteria D) Fungi E) Protist 39) Which of the following would most iely oceor i all preeryeres wer sddnly A) All life would eventually perish due to disease B Many organisms would perish as nutrient recyling dewent dam redoten All life would eventually perish because of meressed globel w to he effect Di Only the organisms that feed directly en prokayotes weuld peth t Very little change would occur because proharyetes re net of sgian e n 40) The way blac flamenteous mvrelum rwiny on bres is mon iely wh eri A) chrytid 8) Ascomycete C) Basidomycete D) Deuteromycete E) Zygomycete

Explanation / Answer

35) The correct option is B. heterotrophic.

All fungi are heterotrophic. They obtain their food from external sources and their surroundings.

36) The correct option is B. It uses viral RNA as a template for DNA synthesis.

Viruses contain DNA or RNA as their genetic material. Retrovirus reproduces in a different way. They contain reverse transcriptase enzyme. Complementary DNA is transcribed from the RNA genome. The DNA provirus is expressed in the host to produce virions. Therefore, retro viruses replicate by using DNA intermediates. So, the enzyme reverse transcriptase uses viral RNA as a template for DNA synthesis.

37) The correct option is B. They possess two flagella.

Dinoflagellates have two flagella. They are long clusters of protein strands which, control for movement. The two flagella are of different sorts. They are constructed and move in different ways.

38) The correct option is A. Archea.

Archea or archaebacteria can survive in hot spring and excessive temperature due to their molecular composition.

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