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PLS 20
| Question | Answer |
|---|---|
| A scientific _____ is a hypothesis that is supported by a great quantity of data and numerous observations. | Theory |
| Cellular respiration requires... | Oxygen |
| photosynthesis converts ____ energy into ____ energy in plants. | Light, chemical |
| Plants provide: | Dyes, Food, Fiber, Medicine |
| The binomial Quercus rubra refers to a... | Species |
| the following activities are part of the scientific method. What is the last step usually followed by scientists? | Share information with scientific community |
| The process by which organisms adapt to their environment over time is... | evolution |
| which of the following is a waste product of photosynthesis? | oxygen |
| What is a basic functional and structural building block of living things? | atom |
| which of the following kingdoms is NOT in the domain Eukarya? | Archaea |
| ____ are groups of cells organized into associations that perform specific functions. | Tissues |
| When two atoms share a pair of electrons, a ____ bond is formed | covalent |
| when ions are attracted to one another by opposite electrical charges, an _____ bond is formed | ionic |
| the large and complex carbon-containing molecules found in living things are called... | organic molecules |
| proteins are large compounds made up of smaller units called... | amino acids |
| ____ is an example of a structural carbohydrate found in plants | cellulose |
| the most common atoms in living things are hydrogen and oxygen, bonded together in molecules of | H20 water |
| the _____ is the location on an enxyme where the substrate attaches | active site |
| a single enzyme can control a variety of different reactions, true or false? | false |
| the order of amino acids in a protein determines its structure and function, true or false? | True |
| proteins are important structural molecules in cells, true or false? | true |
| since hydrogen bonds are weak compared to covalent bonds, they really are not very important in biology, true or false? | false |
| a special covalent bond, called a ____ bond, links two amino acids together. | peptide |
| which of the following properties is exhibited by water? | adhesion, capillary action, cohesion, hydrogen bonding |
| Selectively permeable membranes are involved in osmotic phenomena, TF | True |
| Communication can take place between the cytoplasm of adjacent cells through... | plasmodesmata |
| the large, membrane-bounded sac used for storage within plant cells is called a ____ | Vacuole |
| which structure converts to energy in food molecules into a form of energy that the cell can use? | mitochondrion |
| according to cell theory, all cells arise from... | preexisting cells |
| ribosomes are made up of... | RNA and proteins |
| the endoplasmic reticulum... | is continuous with the plasma membrane and the nuclear envelope, is the location for lipid synthesis, synthesizes membranes. |
| animal cells have _____, which plant cells do not. | centrioles |
| which of the following means of moving things into or out of cells requires an expenditure of energy? | active transport |
| which of the following would be found in a eukaryotic cell, but NOT in a prokaryotic cell? | nucleus |
| which of the following individuals was the first to use the term "cell"? | Hooke |
| Which part of the eukaryotic cell directs the metabolic activities of the cell? | nucleus |
| what happens during photorespiration? | rubisco binds to oxygen instead of carbon dioxide |
| starch is a polysaccharide composed of many glucose molecules. The conversion of starch into glucose would be an example of... | anabolism |
| where to the Krebs cycle reactions take place? | mitochondrion |
| What is another name for the Krebs cycle? | citric acid cycle |
| carotenoids are the primary photosynthetic pigments, TF | False |
| which organelle contains the photosynthetic pigments? | chloroplasts |
| by the end of aerobic respiration, all of the carbons from the original glucose are gone. Where do they go? | ATP |
| in photosynthesis, oxygen is produced from the splitting of carbon dioxide, TF | False |
| The subatomic particle ALWAYS transferred in an oxidation-reduction (redox) reaction is an... | electron |
| the two energy-carrying compounds that are obtained from the energy-capturing reactions of photosynthesis and that supply energy to "run" the calvin cycle are... | ATP and NADPH |
| water is split during... | the light dependent reactions. |
| where does glycolysis take place? | cytoplasm |
| what color(s) of light does chlorophyll absorb? | blue and red |
| how is a C4 plant different than a C3 plant? | carbon fixation occurs in bundle sheath cells |
| which of these cell types is dead at maturity?? | (None of these...) |
| what takes place at a meristem? | cell division |
| parenchyma, a simple tissue composed of parenchyma cells, may store starch grains, TF | true |
| The xylem conducts: | water from the roots to the rest of the plant. |
| meristems are localized regions of growth in plants, TF? | True |
| The cuticle is largely made of ____. | wax |
| what is the main function of the epidermis? | protection of plant organs |
| The vascular cambium produces... | secondary xylem and phloem |
| the phloem conducts... | dissolved sugars from the leaves to the rest of the plant. |
| which of the following pairs of cells function together? | companion cells and sieve tube elements. |
| Root hairs increase the surface area of the root epidermis for more effective uptake of water and mineral nutrients, TF | True |
Created by:
danadysthe