Aa MEDGAR EVERS COLLEGE CITY UNIVERSITY OF NEW YORK DEPARTMENT OF BIOLOGY BIOL 2

Question

Aa MEDGAR EVERS COLLEGE CITY UNIVERSITY OF NEW YORK DEPARTMENT OF BIOLOGY BIOL 202 FINAL EXAM ANSWER ALL QUESTIONS TRUE-FALSE QUESTIONS IF TRUESHADE A IF FALSE SHADE B Photoautotrophs can synthesize sugar using inorganic source of carbon and sunlight as an energy source polysaccharide similar to cenulose. 2. Bacterial cell walls are composed of using 3 Chemoheterotrophs synthesize sugar by ingesting inorganic sources of carbon and the energy released from oxidation of reduced compounds. the nuclear membrane. Endosymbiosis is the likely explanation for the evolution of 5. All members of the kingdom Fungi reproduce both sexually and asexually. 6. cephalized animal has sense organs concentrated at its dorsal end. the 7. Apoikilohydric organism is one whose temperature varies with changesin 8. Although plants excrete oxygen and animals excrete carbon dioxide,both plants and animals generally excrete a nitrogenous waste. 9. The apoplast of plants is analogous to the intercellular fluid of animals. 10, Ectothermic organisms are also homoeothermic. regions would tend tobe more 11. To conserve heat, plants and animals living arctic compact and rounder than those living in tropical regions. 12. Gametes are produced in gametophytes that are part of a gametangial plant. plant. 13, Antheridia and archegonia are spore-producing structures on the sporophyte 14. Trees, including specimens such as maple, oak or spruce ,are the haploid sporophyte portion of a life cycle. kinds of 15. Both conifers and flowering plants are heterosporous, producing two 16. The first vascular plants had a central core of vascular tissue made of fibers and continuous vessels.

Explanation / Answer

Answer:

1. True

Photosynthetic plants fix carbon with the help of sunlight and splitting of water.

2. False

Bacterial cell walls are made of peptidoglycan (also called murein), which is made from polysaccharide chains cross-linked by unusual peptides containing D-amino acids.

3. False

Chemoheterotrophs are chemotrophs that are heterotrophic organisms. They are not capable of fixing carbon to form their own organic compounds. Most chemoheterotrophs obtain energy by ingesting organic molecules like glucose.

4. False

There is strong evidence that nuclear membranes coevolved with the endomembrane system, and that the last eukaryotic common ancestor (LECA) had fully functional NPCs. Further discoveries about the nucleoskeleton suggest that the evolution of nuclear structure was tightly coupled to genome partitioning during mitosis.

(Since there are multiple questions, the first 4 questions have been answered according to the rules of Chegg)

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