Pbio exam 1 - Study guides, Class notes & Summaries

Which of the following are the most common chemical elements in the molecules of life? correct answersa) carbohydrates, proteins, lipids, and nucleic acids b) water, carbohydrates, proteins, and lipids *c) carbon, hydrogen, oxygen, and nitrogen d) cells, tissues, organs, and ecosystesm Which cell type is incorrectly paired with its tissue system? correct answers*a) companion cell --> ground tissue b) trichome --> dermal tissue c) parenchyma --> ground tissue d) stomata --> d...

the sun what is the ultimate source of energy for planet earth radiation, UV, Infrared and visible what are the four forms that energy can come in? visible light which has the most intensive amount of energy 5 percent what is the percentage of UV 45 percent what is the percentage of infrared by absorbing energy from the sun (solar radiation) how does a cat get warmer? Ultraviolent, Infrared, and some visible what energy does it absorb? it i...

PBIO Exam 1 Study Guide

why are plants important? correct answer: -plants produce most of the oxygen we breathe -plants produce most of the chemically stored energy we consumer as food and burn for fuel -plants are an excellent model organisms for basic science which of the following statements is NOT correct? correct answer: -plants have chitin-rich cell walls viruses were first discovered correct answer: in mosaic disease of tobacco leaves not all plants are _________; non plants, such as algae, are ___...

PBIO Exam 1 Study Guide

Systematics correct answersscientific study of biological diversity and its evolutionary history Taxonomy correct answersidentifying, naming, classifying species (call linnaeus) Taxonomic Rank correct answerskingdom, phylum, class, order, family, genus, species phylogeny correct answerssimilarities/differences due to evolutionary history Homologous correct answerscommon origin analogous correct answerslook similar, different evolutionary background cladistics correct answersmet...

Which of the following statements is correct? A) Covalent (hydrogen) bonding makes water molecules cohesive B) Sucrose is formed from glucose and fructose by a dehydration reaction after removing two (one) molecules of water C) Starch and cellulose both consist of chains of glucose linked together by covalent bonds. It is the nature of the bonds that distinguishes these two compounds. D) Cellulose (storage) is used as an energy storage (cellulose) molecule, and start is a structural carbohyd...

PBIO Exam 1

why are plants important? correct answers-plants produce most of the oxygen we breathe -plants produce most of the chemically stored energy we consumer as food and burn for fuel -plants are an excellent model organisms for basic science which of the following statements is NOT correct? correct answers-plants have chitin-rich cell walls viruses were first discovered correct answersin mosaic disease of tobacco leaves not all plants are _________; non plants, such as algae, are _________...

PBIO Exam 1 Answers Questions with complete solution 2023/2024 Why are plants important? A. Plants produce the most of the oxygen we breathe. B. Plants produce most of the chemically stored energy we consume as food and burn for fuel. C. Plants are excellent model organisms for basic science. D. All of the above - correct answer D. All of the above Which of the following statements is correct? A. All plants are photosynthetic. B. Plants have chitin-rich cell walls. C. Cells were firs...