BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 22, Problem 3SA
Summary Introduction
Introduction:
All the organisms present in the environment is composed of cell. The organisms are classified into two types. These are prokaryotes and eukaryotes. Prokaryotes are the organisms that do not contain a well-defined nucleus. However, eukaryotes have a well-defined nucleus properly enclosed in a nuclear membrane. There are different types of
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A mushroom is______ . a. a fungal digestive organ b. the only part of the fungal body made of hyphae c. a reproductive structure that releases sexual spores d. made of haploid hyphae
Fungi are not classified as Plants primarily because they:
a. are prokaryotes
b. need high moisture
c. are chemoheterotrophic
d. reproduce sexually
Which is NOT an advantage of the dikaryotic stage in fungi?
A.
it generate genetic variation
B.
it increases the chances of the fungi of surviving and reproducing
C.
it allows the fungi to complete reproduction when conditions are appropriate
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- What term describes the close association of a fungus with the root of a tree? a. a rhizoid b. a lichen c. a mycorrhiza d. an endophytearrow_forwardFungi Imperfecti or Deuteromycota:(a) Do not have complete hyphae(b) Do not form hyphae(c) Have no observed sexual stage(d) Cannot form conidia(e) Only form antheridiaarrow_forwardThe targets for anti-fungal drugs are much more limited than antibiotics or anti-viral medications. Why? a. There are more bacteria and viruses than fungi. b. Fungi can only be targeted during sexual reproduction, while bacteria and viruses can be targeted at any point in their lifespan. c. Fungi cause topical infections, while viruses and bacteria cause systemic infections. d. Human cells are much more similar to fungi cells than bacteria or viruses.arrow_forward
- Spores released from a mushrooms gills are _______. a. dikaryotic c. flagellated b. diploid d. produced by meiosisarrow_forwardWhich parasitic protist evades the host immune system by altering its surface proteins with each generation? a. Paramecium caudatum b. Trypanosoma brucci c. Plasmodium falciparum d. Phytophthora infrstansarrow_forwardWhile observing a fungus under a microscope,you notice a stalk-like appendage with a loosely packed asexual conidospore in spore sac at one end.This fungus mostly like belong to :a)Ascomycota b)Basidiomycota c)Zygomyta d)Nematoda e)Chytridiomycotaarrow_forward
- Virusesa. are usually photosynthetic.b. consist of a single cell.c. consist of DNA or RNA and a protein coat.d. consist of ATP and a lipid coat.arrow_forwardWhich of the following statements about fungi is false?a. Most fungi are multicellular.b. Fungal cell walls are composed of cellulose.c. Most fungi are nonmotile.d. Fungi digest their food before ingesting it.arrow_forwardWhich of the following fungi does not have a mycelium? (a) black bread mold (b) yeast (c) decomposer cup fungus (d) cultivated mushroom (e) Penicilliumarrow_forward
- 2. A. The microsporangium in the anther contains numerous microsporocytes which will undergo meiosis to produce four haploid microspores. B. Each microspore develops into a pollen grain containing two sperm nuclei and one tube nucleus. A.If statement A is correct and B is wrong. B.If both statements are correct. C.If statement A is wrong and B is correct. D.If both statements are wrong.arrow_forwardAll fungi_____ .a. are multicelled c. are heterotrophsb. form flagellated spores d. live on landarrow_forwardWhich statement below is true about the most recently evolved groups (2 groups) of fungi? a the two most recently evolved groups are zygomycetes and ascomycetes b they have hyphae with crosswalls c they are only found in aquatic environmentsarrow_forward
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