In a water molecule Study guides, Class notes & Summaries

BIOL 111 FINAL TAMU – FLETCHER QUESTIONS AND ANSWERS 100% SOLVED The element present in all organic molecules is Carbon Cell membranes have distinct inside and outside faces. Which of the following statements is the most likely explanation for the membrane's asymmetrical nature? The two sides of a cell membrane face different environments and carry out different functions Which of the following statements is true about buffer solutions? They maintain a relatively constant pH when either aci...

Picat Verification 2022-23 Questions and Answers – Scored A+ which of these is the best explanation of how a smooth round stone become smooth It was in a stream for a long time Any astronomical body that revolves around a larger body is called Satellite If you place bean seeds between moist paper towels and watch the stem leaves appear you will see a demonstration of? Germination Which element does not contain any neutrons? Hydrogen How many atoms are in a single molecule of water (H2O) 2 ...

Portage Learning BIOD 101 Modules 1, 2,3,4,5, and 6 | Actual Exam Tests Questions With Verified Answers What is matter and what states can it exist in? - ANSWER Matter is anything that takes up space, by having volume, and has mass. Can exist in a solid, liquid, or gaseous state. Explain the difference between essential and trace elements - ANSWER Essential elements are required for human life. Trace elements are only required in small quantities Describe an ionic bond - ANSWER fo...

Station 1. You have run an experiment studying the effects of the molecular weight of a compound on the rate of diffusion in agar. Compound X has a molecular weight of 25.3 g/mol and compound Y has a molecular mass of 156.2 g/mol. On two separate agar plates, 0.1 g of each substance were transferred and allowed to diffuse for 2 hours. The results below were obtained. Use this information about this situation to answer the following three questions. 1. Question: (CO 1) What was the independent v...

Anatomy and Physiology 101 Final Exam Ivy Tech Question and answer 2023What is the difference between anatomy and physiology anatomy- study of structure physiology- study of function what are the levels of organization subatomic particle- protons, electrons, neutrons atom molecule macromolecule organelle cell tissue organ organ system organism what are the characteristics of life? movement responsiveness respiration absorption secretion digestion assimilation- c...

What is a hormone and how does it act? - ANSWER-Hormones are chemical messengers that are responsible for regulation. They are secreted into body fluids, mainly blood. It has specific actions on target tissues, which are any tissue that has specific receptors for that particular hormone. What is a paracrine gland? - ANSWER-a secretion that enters interstitial fluid but affects only neighboring cells What is an autocrine gland? - ANSWER-A secretion that only affects the secreting cell. W...

Why is UVB radiation also know as "burning rays"? (Ans- UVB wavelengths cause burning of the skin as well as cancer What is NOT an element of the skins acid mantle? (Ans- Blood What causes injured skin to restore itself to its normal thickness? (Ans- Hyperproduction of cells What are the items in the dermis that respond to touch, pain, cold, heat and pressure? (Ans- Sensory nerve endings What are most abundant in the fingertips, as opposed to other parts of the body? (Ans...

What is the origin of the Earth? - Answer-Formed out of a solar nebula What are the origins of Life? - Answer-Archaea - the oldest origin of life on Earth What is kinetic energy? - Answer-The energy of motion What is heat energy? - Answer-Energy created by particles of matter rubbing together What is density? - Answer-A measurement of the amount of matter in a given volume of something. (mass per unit volume) What is convection? - Answer-Transfer of heat through currents caused by differen...

purpose of scientific method - ANSWER-guide researchers in planning, conducting, and interpreting research studies order of scientific method - ANSWER-observation, question, hypothesis, prediction, experiment, conclusion Steps of the Scientific Method - ANSWER-Ask a Question Do Background Research Construct a Hypothesis Test Your Hypothesis by Doing an Experiment Analyze Your Data and Draw a Conclusion Communicate Your Results Hypothesis - ANSWER-A testable prediction, often implie...

What is a photosynthetic autotroph? - An organism that makes its own food from inorganic ingredients. What is the fluid inside chloroplasts called? - Stroma What are the membranes inside chloroplasts called? - inner and outer membranes Write the overall equation for photosynthesis. - 6CO2+6H2O→C6H12O6+6O2 What is the primary function of pigments in photosynthesis? Name the primary pigment used in photosynthesis. - Pigments absorb certain wavelengths. They are the means by which the energ...