Cutaneous gas exchange (using the body surface for gas exchange) is most likely

Question

Cutaneous gas exchange (using the body surface for gas exchange) is most likely in animals with: a) low metabolic rate b) large body size c) water-proof skin d) all of these Which protostome phylum is distinguished by having body segments organized into discrete regions? A. Mollusea. B. Arthropoda C. Annelida D. Nematoda Bioprospectors and ethnobotanists search for plants and plant products used for medicines by native cultures. From the plant's point of view the major function of these compounds mm to A. attract pollinators for seed dispersal B. attract insects and birds to spread seeds and fruits C. defend the plant against herbivores and microbes D. All of the above answers apply Which of the following phyla contains the most species? A Chordates B. Mollusks C. Arthropods D. Annelids E. Poriferans The mycelial growth habit leads to a body with a high surface-area-to-volume ratio. Why is this important? A. Mycelia have a large surface area for absorption. B. The hyphae that make up mycelia are long, thin tubes. C. Hyphae are broken up into compartments by walls called septa. D. Hyphae can infiltrate living or dead tissues Ribosomes are capable of catalyzing the formation of which type of bond: a) phospho-diester b) glycosidic c) peptide d)ionic e) disulfide _is/are regulatory sequence(s) that can be found upstream or downstream of the promoter. a. Promoter proximal element b. Silencer c. Enhancer d. Promoter e. B and C Chromatin loosens up when: a. HAT adds acetyl groups to lysine residues, reducing the number of positive charges on the histones. b. HAT adds acetyl groups to histones. reducing the number of negative charges on the histiones. c. HDAT removes acetyl groups from histones. d. HDAT adds acetyl group to histones making them more negatively charged. A helix-turn-helix structure is characteristic of: a) rRNA b) helicase c) introns d) HDACs e) DNA Binding Proteins RNA Polymerase is a very important biological molecule. This molecule consists of: a) lipids d) RNA c) DNA d) protein e) polysaccharides Suppose you isolated several Okazaki Fragments and began to study them. You would choose your techniques based on your knowledge that Okazaki Fragments consist of: a) lipids d) RNA c) DNA d) protein e) polysaccharides The growth rate r of a population is measured as 0.06. The population is: a) growing b) diminishing c) holding steady The growth rate lambda of a population is measured as 0.95. The population is: a) growing b) diminishing c) holding steady A biologist studying a population of mosquitoes measures lambda - 0.9. This discrete growth rate is equivalent to an instantaneous rate of r = _. a) 1.1 b) 0.22 c) 0.11 d) -0.11 e) 0.0 All of the following are examples of Platyhelminthes (flatworms) except one-which? a) planarium b) tapeworm c) trematode "flukes" d) earthworms

Explanation / Answer

The answers are

66. The answer is D. Eg.Arthropods
67. The answer is C. Annelida
68. The answer is C. Defend the plant against herbivores and microbes,
69. The answer is C. Arthropods
70. The answer is A. Mycelia have a large surgace area of absorbtion
71. The answer is C. Peptide

ACCORDING TO CHEGG GUIDELINES WE HAVE TO ANSWER ONE QUESTION AT A TIME. HERE I ANSWERED FIRST FIVE. POST THE REST AS SEPERATE QUESTIONS THEN I CAN HLEP YOU.

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