Energy Drinks + Photosynthesis hmwk 1

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Central Texas College *

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Biology

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Apr 3, 2024

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~ Energy Drinks (Energy & Nutrients) + Photosynthesis. HMWK 1 Select those forms of energy that are important for life. Multiple select question. Solar energy Chemical energy Mechanical energy In order to maintain their organization and carry out metabolic activities, organisms need a constant source of Energy Which of the following best describes the source of energy for nearly all life on Earth? Solar energy, or energy from the sun The process of photosynthesis converts solar energy into chemical energy, which is the energy form that is usable by organisms for life processes. All living things need energy for life processes. Match the following forms of energy with the description that fits each best. The source of energy for almost all life; comes from the sun Solar energy Energy found in the bonds between atoms of a molecule Chemical energy The energy of movement Mechanical energy The energy that is possessed by an object because of its motion or its position is called. Mechanical energy Which of the following best describes energy. The capacity or power to do work, or to transfer power elsewhere. The mechanical energy of movement is called kinetic energy.

Which of the following characteristics are shared by all living things? Select all that apply. The ability to use energy. The ability to acquire energy. The process of photosynthesis converts chemical energy, which is the source of all energy on Earth, into chemical energy, which is usable by organisms for life processes. The energy contained within the glucose bonds found in some food molecules is called Chemical energy. Which of the following best describes potential energy? Stored energy or energy that has the ability to do work because of its position. Mechanical energy, or the energy of motion, has two forms. Drag each of these forms to its definition. Not all choices will be used. Stored energy, either from work done or by virtue of position Potential energy Energy that results from an object's motion Kinetic energy According to the first Law of Thermodynamics, energy cannot be created or destroyed; it can only be transferred or transformed. Which of the following best describes kinetic energy? The energy of motion Statements that use information obtained from theories to describe how natural events occur are called laws . The molecule that serves as the energy currency of cells is abbreviated as ATP Which of the following best describes the structure of ATP? ATP molecules are composed of a ribose sugar, a nitrogen-containing adenine molecule, and three phosphate groups. Based on the First Law of Thermodynamics, select all of the following that apply to energy.

Energy can be transferred. Energy can be transformed. Nutrients store energy in the nuclei of their atoms. False. Accepted explanations for aspects of the natural world are called theories. The molecule that is responsible for all of the energy-requiring processes of a cell is called ATP. Molecules that contain both carbon and hydrogen and provide energy for life processes are called organic molecules. Select all of the following components of a molecule of ATP. Three phosphate groups Ribose sugar Adenine Special combinations of atoms that are found attached to hydrocarbon chains or rings are called functional groups. Where do nutrients store their energy? Within the chemical bonds of their molecule structure. Chemical bonds join small molecules called monomers to make larger molecules called polymers. Molecules that are composed of carbon and hydrogen atoms and provide energy for life processes are called Organic nutrients. Select the following molecules that are considered polymers. DNA Proteins Polysaccharides Proteins are organic nutrient molecules that are composed of individual units called Amino Acid.

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