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- https://bio.libretexts.org/Courses/Minnesota_State_Community_and_Technical_College/Biology_of_Human_Concerns_(Daniels)/03%3A_Cells/3.04%3A_Plasma_MembraneThe plasma membrane is a structure that forms a barrier between the cytoplasm inside the cell and the environment outside the cell. The membrane protects and supports the cell and controls everything...The plasma membrane is a structure that forms a barrier between the cytoplasm inside the cell and the environment outside the cell. The membrane protects and supports the cell and controls everything that enters and leaves it.
- https://bio.libretexts.org/Courses/Minnesota_State_Community_and_Technical_College/Biology_of_Human_Concerns_(Daniels)/09%3A_Nervous_System/9.08%3A_Psychoactive_DrugsWho knew that a cup of coffee could also be a work of art? A talented barista can make coffee look as good as it tastes. If you are a coffee drinker, you probably know that coffee can also affect your...Who knew that a cup of coffee could also be a work of art? A talented barista can make coffee look as good as it tastes. If you are a coffee drinker, you probably know that coffee can also affect your mental state.
- https://bio.libretexts.org/Courses/Minnesota_State_Community_and_Technical_College/Biology_of_Human_Concerns_(Daniels)/09%3A_Nervous_System/9.01%3A_Case_Study-__The_Control_Center_of_Your_BodyEach of these brightly-colored sticky notes represents a piece of information that someone doesn't want to forget. Although we are all forgetful sometimes, most people do not have trouble remembering ...Each of these brightly-colored sticky notes represents a piece of information that someone doesn't want to forget. Although we are all forgetful sometimes, most people do not have trouble remembering things that are important or routine to us, such as our friend's name or how to get to class.
- https://bio.libretexts.org/Courses/Ouachita_Baptist_University/Reyna_Cell_Biology/01%3A_(T1)_Basic_Cell_Chemistry_-_Chemical_Compounds_and_their_Interactions/1.07%3A_Fatty_AcidsUnlike monosaccharides, nucleotides, and amino acids, fatty acids are not monomers that are linked together to form much larger molecules. Although fatty acids can be linked together, for example, int...Unlike monosaccharides, nucleotides, and amino acids, fatty acids are not monomers that are linked together to form much larger molecules. Although fatty acids can be linked together, for example, into triacylglycerols or phospholipids, they are not linked directly to one another, and generally no more than three in a given molecule. The fatty acids themselves are long chains of carbon atoms topped off with a carboxyl group. The length of the chain vary, but most are between 14 and 20 carbons.
- https://bio.libretexts.org/Courses/Minnesota_State_Community_and_Technical_College/Biology_of_Human_Concerns_(Daniels)/08%3A_Muscular_System/8.03%3A_Types_of_Muscle_TissueMuscle tissue is a soft tissue that makes up most of the tissues in the muscles of the human muscular system. Other tissues in muscles are connective tissues, such as tendons that attach skeletal musc...Muscle tissue is a soft tissue that makes up most of the tissues in the muscles of the human muscular system. Other tissues in muscles are connective tissues, such as tendons that attach skeletal muscles to bones and sheaths of connective tissues that cover or line muscle tissues. Only muscle tissue per se, however, has cells with the ability to contract.
- https://bio.libretexts.org/Courses/Minnesota_State_Community_and_Technical_College/Biology_of_Human_Concerns_(Daniels)/07%3A_Skeletal_System/7.05%3A_Bone_Growth_Remodeling_and_RepairDid you ever break a leg or other bone, like the man looking longingly at the water in this swimming pool? Having a broken bone can really restrict your activity. Bones are very hard, but they will br...Did you ever break a leg or other bone, like the man looking longingly at the water in this swimming pool? Having a broken bone can really restrict your activity. Bones are very hard, but they will break, or fracture, if enough force is applied to them. Fortunately, bones are highly active organs that can repair themselves if they break. Bones can also remodel themselves and grow. You'll learn how bones can do all of these things in this concept.
- https://bio.libretexts.org/Courses/Minnesota_State_Community_and_Technical_College/Biology_of_Human_Concerns_(Daniels)/02%3A_Chemistry_of_Life/2.08%3A_Nucleic_AcidsDNA and RNA are polynucleotides and categorized under Nucleic acids, a type of Macromolecule. They are built of small monomers called nucleotides.
- https://bio.libretexts.org/Courses/Minnesota_State_Community_and_Technical_College/Biology_of_Human_Concerns_(Daniels)/07%3A_Skeletal_System/7.01%3A_Case_Study-_Your_Support_SystemAmari loves wearing high heels when they go out at night, especially stilettos. They know high heels are not the most practical shoes, but Amari likes how they look. Lately Amari has been experiencin...Amari loves wearing high heels when they go out at night, especially stilettos. They know high heels are not the most practical shoes, but Amari likes how they look. Lately Amari has been experiencing pain in the balls of thier feet—the area just behind the toes. Even when they trades heels for comfortable sneakers, it still hurts when Amari stands or walks.
- https://bio.libretexts.org/Courses/Minnesota_State_Community_and_Technical_College/Biology_of_Human_Concerns_(Daniels)/02%3A_Chemistry_of_Life/2.13%3A_NutrientsNutrients are substances the body needs for energy, building materials, and control of body processes. There are six major classes of nutrients based on biochemical properties: carbohydrates, proteins...Nutrients are substances the body needs for energy, building materials, and control of body processes. There are six major classes of nutrients based on biochemical properties: carbohydrates, proteins, lipids, water, vitamins, and minerals. Fiber, which consists largely of nondigestible carbohydrates, is sometimes added as the seventh class of nutrients.
- https://bio.libretexts.org/Courses/Sacramento_City_College/BIOL_342%3A_The_New_Plagues_-_New_and_Ancient_Infectious_Diseases_Threatening_World_Health_(Hughes)/06%3A_Week_6/11%3A_Digestive_System_Infections/11.01%3A_Anatomy_and_Normal_Microbiota_of_the_Digestive_SystemThe human digestive system, or the gastrointestinal (GI) tract, begins with the mouth and ends with the anus. The parts of the mouth include the teeth, the gums, the tongue, the oral vestibule (the sp...The human digestive system, or the gastrointestinal (GI) tract, begins with the mouth and ends with the anus. The parts of the mouth include the teeth, the gums, the tongue, the oral vestibule (the space between the gums, lips, and teeth), and the oral cavity proper (the space behind the teeth and gums). Other parts of the GI tract are the pharynx, esophagus, stomach, small intestine, large intestine, rectum, and anus.
- https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/General_Biology_2e_(OpenStax)/05%3A_Unit_V-_Biological_Diversity/5.07%3A_Introduction_to_Animal_Diversity/5.7.06%3A_Key_Termstype of symmetry in which there is only one plane of symmetry, so the left and right halves of an animal are mirror images blastopore during development of protostomes, a solid mass of mesoderm splits...type of symmetry in which there is only one plane of symmetry, so the left and right halves of an animal are mirror images blastopore during development of protostomes, a solid mass of mesoderm splits apart and forms the hollow opening of the coelom spiral cleavage cells of one pole of the embryo are rotated or misaligned with respect to the cells of the opposite pole triploblast
