Pbio exam 1 Study guides, Class notes & Summaries

Which of the following are the most common chemical elements in the molecules of life? a) 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? *a) companion cell --> ground tissue b) trichome --> dermal tissue c) parenchyma --> ground tissue d) stomata --> dermal tissue The ...

PBIO Exam 1 Study Guide Question and answers correctly solved 2023/2024Plants are... - correct answer are excellent model organisms for basic science The 3 Domains - correct answer Eukarya, Bacteria, Archaea Bacteria - correct answer single-celled organisms that lack a nucleus; prokaryotes Archaea - correct answer Domain of unicellular prokaryotes that have cell walls that do not contain peptidoglycan; live in hostile environments Eukarya - correct answer Domain of all organisms who...

PBIO Exam 1

PBIO Exam 1

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...

what is the ultimate source of energy for planet earth correct answersthe sun what are the four forms that energy can come in? correct answersradiation, UV, Infrared and visible which has the most intensive amount of energy correct answersvisible light what is the percentage of UV correct answers5 percent what is the percentage of infrared correct answers45 percent how does a cat get warmer? correct answersby absorbing energy from the sun (solar radiation) what energy does it a...

why are plants important? -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? -plants have chitin-rich cell walls viruses were first discovered in mosaic disease of tobacco leaves not all plants are _________; non plants, such as algae, are ______________ photosynthetic i...

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...

Pbio exam 1 Question and answers rated A+ 2024 Pbio exam 1 Which type of bond requires the most energy to make? - correct answer Covalent How many bonds can Carbon make? - correct answer four Which of the following would you expect to be most hydrophobic? - correct answer A. a molecule composed of only C's and H's B. a molecule with partial charges C. a molecule composed of only H's and O's D. a molecule with + or - charges Why does Ionic bonding occur? - correct answer Some...

PBIO Exam 1 Question and answers 100% correct 2023/2024why 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 p...