3 | biological macromolecules
... smaller organic molecules. There are four major classes of biological macromolecules (carbohydrates, lipids, proteins, and nucleic acids); each is an important cell component and performs a wide array of functions. Combined, these molecules make up the majority of a cell’s dry mass (recall that wate ...
... smaller organic molecules. There are four major classes of biological macromolecules (carbohydrates, lipids, proteins, and nucleic acids); each is an important cell component and performs a wide array of functions. Combined, these molecules make up the majority of a cell’s dry mass (recall that wate ...
Assignments Handbook - Independence High
... the body, causing permanent intellectual disability and other serious health problems. How common is phenylketonuria? The occurrence of PKU varies among ethnic groups and geographic regions worldwide. In the United States, PKU occurs in 1 in 10,000 to 15,000 newborns. Most cases of PKU are detected ...
... the body, causing permanent intellectual disability and other serious health problems. How common is phenylketonuria? The occurrence of PKU varies among ethnic groups and geographic regions worldwide. In the United States, PKU occurs in 1 in 10,000 to 15,000 newborns. Most cases of PKU are detected ...
Now! - ambition classes
... 2. Analogous: Those organs which have different origin and structural plan but appear similar and perfom similar functions are called analogous organs. While this relationship is called convergent evolution or analogy. eg : Wing of an insect and a bird, Hand of man & Trunk of elephant. analogy in th ...
... 2. Analogous: Those organs which have different origin and structural plan but appear similar and perfom similar functions are called analogous organs. While this relationship is called convergent evolution or analogy. eg : Wing of an insect and a bird, Hand of man & Trunk of elephant. analogy in th ...
39 | the respiratory system
... diffusion across the cell membrane is sufficient for supplying oxygen to the cell (Figure 39.2). Diffusion is a slow, passive transport process. In order for diffusion to be a feasible means of providing oxygen to the cell, the rate of oxygen uptake must match the rate of diffusion across the membra ...
... diffusion across the cell membrane is sufficient for supplying oxygen to the cell (Figure 39.2). Diffusion is a slow, passive transport process. In order for diffusion to be a feasible means of providing oxygen to the cell, the rate of oxygen uptake must match the rate of diffusion across the membra ...
Blood ph and other details
... dynamics; its flow properties are adapted to flow effectively through tiny capillary blood vessels with less resistance than plasma by itself. In addition, if all human hemoglobin was free in the plasma rather than being contained in RBCs, the circulatory fluid would be too viscous for the cardiovas ...
... dynamics; its flow properties are adapted to flow effectively through tiny capillary blood vessels with less resistance than plasma by itself. In addition, if all human hemoglobin was free in the plasma rather than being contained in RBCs, the circulatory fluid would be too viscous for the cardiovas ...
Answers to Mastering Concepts Questions
... bloodstream and acquiring O2. The circulatory system delivers O2 to cells and picks up CO2. So, theses two systems are partners in gas exchange. 3. Differentiate between aerobic cellular respiration, internal respiration, and external respiration. Aerobic cellular respiration uses O2 to produce ATP; ...
... bloodstream and acquiring O2. The circulatory system delivers O2 to cells and picks up CO2. So, theses two systems are partners in gas exchange. 3. Differentiate between aerobic cellular respiration, internal respiration, and external respiration. Aerobic cellular respiration uses O2 to produce ATP; ...
Human Physiology/Blood physiology
... Hemostasis is the natural process of stopping blood flow or loss of blood following an injury. (hemo = blood; stasis = standing). It has three stages: (1) vascular spasm, vasoconstriction, or intense contraction of blood vessels, (2) formation of a platelet plug and (3) blood clotting or coagulation ...
... Hemostasis is the natural process of stopping blood flow or loss of blood following an injury. (hemo = blood; stasis = standing). It has three stages: (1) vascular spasm, vasoconstriction, or intense contraction of blood vessels, (2) formation of a platelet plug and (3) blood clotting or coagulation ...
10th Biology: Life processes solved Questions
... 1. Why is diffusion insufficient to meet the oxygen requirements of multicellular organisms like humans? Multicellular organisms need more oxygen than unicellular organisms because in multicellular organisms the rate of respiration is very high becausea. Multicellular organisms are made up of billio ...
... 1. Why is diffusion insufficient to meet the oxygen requirements of multicellular organisms like humans? Multicellular organisms need more oxygen than unicellular organisms because in multicellular organisms the rate of respiration is very high becausea. Multicellular organisms are made up of billio ...
The Excretory System - Discovery Education
... stop running for awhile? It wouldn’t take long before there would be a serious problem. Garbage and trash would start piling up fast. It’s obvious that a method for removing wastes is an important part of every community. Well the same thing holds true for our bodies. There are wastes produced in ou ...
... stop running for awhile? It wouldn’t take long before there would be a serious problem. Garbage and trash would start piling up fast. It’s obvious that a method for removing wastes is an important part of every community. Well the same thing holds true for our bodies. There are wastes produced in ou ...
10798 - BLOSSOMS - Blood
... we have an immune system that's like a highly trained military that's exclusively designed to identify and kill a dangerous invader. In this case, bacteria. As we go through the types of cells and blood that make up the immune system, we'll come back to this analogy of war. So, just to review, ident ...
... we have an immune system that's like a highly trained military that's exclusively designed to identify and kill a dangerous invader. In this case, bacteria. As we go through the types of cells and blood that make up the immune system, we'll come back to this analogy of war. So, just to review, ident ...
body systems1
... cells, which include lymphocytes and other white blood cells, and the circulatory system transports them throughout the body. • The immune cells attack and destroy viruses, bacteria, and other foreign substances. ...
... cells, which include lymphocytes and other white blood cells, and the circulatory system transports them throughout the body. • The immune cells attack and destroy viruses, bacteria, and other foreign substances. ...
23 The Hematologic and Lymphatic Systems
... 3,000 RBCs could be placed side by side within a 1-inch space. They are made from stem cells in red bone marrow. The RBCs are fragile and wear out quickly. The liver and the spleen destroy old, used RBCs. The life of an individual RBC is about 120 days. Each RBC contains molecules of the compound he ...
... 3,000 RBCs could be placed side by side within a 1-inch space. They are made from stem cells in red bone marrow. The RBCs are fragile and wear out quickly. The liver and the spleen destroy old, used RBCs. The life of an individual RBC is about 120 days. Each RBC contains molecules of the compound he ...
Review Hemoglobin function under extreme life conditions
... with the very low habitat temperature (down to -40°C) experienced by these animals during the year. We suggest that the physical fitness of these reindeer can in part be attributed to the unusual thermodynamic properties of their hemoglobins. In fact, as deoxygenation is an endothermic process, in t ...
... with the very low habitat temperature (down to -40°C) experienced by these animals during the year. We suggest that the physical fitness of these reindeer can in part be attributed to the unusual thermodynamic properties of their hemoglobins. In fact, as deoxygenation is an endothermic process, in t ...
the animal body: introduction tostructure and function
... layer that attaches the skin to muscles and other structures beneath. The matrix is gel-like and contains all three fiber types, mast cells, fibroblasts and macrophages. 2. Dense connective tissue is found in the tendons, ligaments and dermis of the skin. It supports and transmits mechanical forces. ...
... layer that attaches the skin to muscles and other structures beneath. The matrix is gel-like and contains all three fiber types, mast cells, fibroblasts and macrophages. 2. Dense connective tissue is found in the tendons, ligaments and dermis of the skin. It supports and transmits mechanical forces. ...
Blood and Lymph
... Tissues in the heart and brain begin to die within moments if their oxygen supply is interrupted. Damage to heart muscle from a heart attack or to the brain from a stroke can be fatal. Individuals with high blood pressure are at an increased risk for both heart disease and stroke. Heart disease is t ...
... Tissues in the heart and brain begin to die within moments if their oxygen supply is interrupted. Damage to heart muscle from a heart attack or to the brain from a stroke can be fatal. Individuals with high blood pressure are at an increased risk for both heart disease and stroke. Heart disease is t ...
The lymphatic system 33_2
... Tissues in the heart and brain begin to die within moments if their oxygen supply is interrupted. Damage to heart muscle from a heart attack or to the brain from a stroke can be fatal. Individuals with high blood pressure are at an increased risk for both heart disease and stroke. Heart disease is t ...
... Tissues in the heart and brain begin to die within moments if their oxygen supply is interrupted. Damage to heart muscle from a heart attack or to the brain from a stroke can be fatal. Individuals with high blood pressure are at an increased risk for both heart disease and stroke. Heart disease is t ...
COMPLETE BIOLOGY Table of contents I. Chemistry II. Cells III
... Adipocytes (img) are specialized fat cells – white fat cells contain a large lipid droplet composed primarily of triglycerides with a small layer of cytoplasm around it, while brown fat cells have considerable cytoplasm, lipid droplets scattered throughout, and lots of mitochondria Glycolipids are ...
... Adipocytes (img) are specialized fat cells – white fat cells contain a large lipid droplet composed primarily of triglycerides with a small layer of cytoplasm around it, while brown fat cells have considerable cytoplasm, lipid droplets scattered throughout, and lots of mitochondria Glycolipids are ...
File - Mizzou Pre
... nucleus are the maker of ribosomes (rRNA). rRNA is synth’d in nucleolus + ribosomal proteins imported from cytoplasm = ribosomal subunits form; these subunits are exported to the cytoplasm for final assembly into complete ribosome . Nucleus bound by double layer nuclear envelope w/ nuclear pores fo ...
... nucleus are the maker of ribosomes (rRNA). rRNA is synth’d in nucleolus + ribosomal proteins imported from cytoplasm = ribosomal subunits form; these subunits are exported to the cytoplasm for final assembly into complete ribosome . Nucleus bound by double layer nuclear envelope w/ nuclear pores fo ...
Release of February 2017 MCAS Biology Test Items
... The red blood cells burst, releasing more Plasmodium. ...
... The red blood cells burst, releasing more Plasmodium. ...
body_system_relationships_chart
... Circulatory System- Brings oxygen, hormones and nutrients to cells; fights infection; removes cell waste; helps regulate body temperature ...
... Circulatory System- Brings oxygen, hormones and nutrients to cells; fights infection; removes cell waste; helps regulate body temperature ...
Biology Revision
... Cell Theory Cells were first described by Robert Hooke in 1665. In the 1830s two German scientists, Theodor Schwann and Matthias Schleiden, using light microscopes, suggested the cell theory: 1. All organisms are composed of cells. They may be unicellular (one celled) or multicellular (many celled). ...
... Cell Theory Cells were first described by Robert Hooke in 1665. In the 1830s two German scientists, Theodor Schwann and Matthias Schleiden, using light microscopes, suggested the cell theory: 1. All organisms are composed of cells. They may be unicellular (one celled) or multicellular (many celled). ...
1. Most organisms are active within a limited
... ♦ They have no nuclei; they only live for 3 months. After this they are destroyed in the liver or spleen. ♦ 5-6 million in every millilitre of blood. ♦ They are produced in the bone marrow White Blood Cells: ♦ Also called leucocytes ♦ Shape is irregular; can change shape ♦ Their function is to def ...
... ♦ They have no nuclei; they only live for 3 months. After this they are destroyed in the liver or spleen. ♦ 5-6 million in every millilitre of blood. ♦ They are produced in the bone marrow White Blood Cells: ♦ Also called leucocytes ♦ Shape is irregular; can change shape ♦ Their function is to def ...
Human Organ Systems CLASS NOTES
... digestive enzymes to break down nutrients. Finally, the pancreas secretes insulin, a hormone that regulates blood sugar in the body. These 3 organs produces digestive enzymes: amylase – carbohydrates, protase – proteins, lipase – lipids (fats). ...
... digestive enzymes to break down nutrients. Finally, the pancreas secretes insulin, a hormone that regulates blood sugar in the body. These 3 organs produces digestive enzymes: amylase – carbohydrates, protase – proteins, lipase – lipids (fats). ...