Human Biology Studienführer, Klassennotizen & Zusammenfassungen

Chapter 1 - Answer -- The scientific study of life is called - Answer A. biology the science of ~biology~ is the study of living organisms and their environment (page 2) A complex individual that consists of organ systems is known as a - Answer C. Organism An individual; complex individuals contain organ systems (page 3) All of the ecosystems on the planet together are called the - Answer C. Biosphere All Earth's ecosystems collectively make up the ~biosphere~ (page 2)...

Tight junction - Answer junction which hold cells tightly together to prevent leaking; found in the urinary & digestive tract Adhesion junction - Answer junction where cells are not actually touching, but rather held together by intercellular filaments; found in the skin and heart muscle (allows flexibility) Gap junction - Answer connect cytoplasm of adjacent cells, only allow certain small molecules through; found in smooth muscle & heart (helps synchronize electricital activity) ...

Homeostasis - Answer State of body equilibrium characterized by a relatively constant and stable internal environment Enzymes - Answer - Facilitate biochemical reactions - are proteins -function as biological catalysts -speed up chemical reactions -are not altered or consumed by reaction -without enzymes, many biochemical reactions wouldn't proceed quickly enough to sustain life Lipids - Answer -Insoluble in water 3 important classes -Triglycerides - Energy storage...

What is keratinisation? - Answer 'Waterproofing' of skin in the epidermis. What is the outermost layer of the epidermis called? - Answer The stratum corneum What is the layer of the epidermis that is only found in thick skin (i.e. palms of hands and soles of feet) called? - Answer The stratum lucideum In which layer of the epidermis does keratinisation occur? - Answer The stratum granulosum What is the innermost layer of the epidermis called? - Answer The stratum bas...

Biology -Answer The study of life. Nucleic acid, proteins, carbs, and lipids. -Answer Living things contain: Cells -Answer Living things are composed of: Molecule -Answer the chemical components of cells Cells -Answer the smallest unit of life Tissue -Answer a group of similar cells that perform the same function Organ -Answer a structure with two or more tissues working together to perform a function Organ Systems -Answer at least two organs working ...

Which one of the following would most likely be a valid scientific claim? - Answer A drug goes through human trials and shows that an average of 10% weight loss can be obtained after one month. The protist kingdom contains ____________. - Answer slime molds Which of the following is not true when it comes to graphs? - Answer It helps to distinguish correlation from causation. Please pick the incorrect association of the testing of a new drug use to treat obesity. - Answer he exp...

biosphere - Answer All life forms on Earth homeostasis - Answer The maintenance of stable internal conditions scientific method - Answer Observation Hypothesis Experiment Conclusion (and maybe theory) properties of living things - Answer 1. order 2. reproduce 3. growth and development 4. energy processing 5. regulation (homeostasis) 6. response to environment 7. evolutionary adaptation matter - Answer Anything that has mass and takes up space hydrogen bond...

cell - Answer the smallest independelty functioning unit of an organism organ - Answer a collection of similar tissues that perform a specific funtion Chemical - Answer 1 Cellular - Answer 2 Tissue - Answer 3 Organ - Answer 4 Organ System - Answer 5 Organization - Answer 6 Describe Metabolism - Answer the sum of all chemical reactions in an organism Why Is ATP important? - Answer ATP provides stored chemical energy for the body to use a controlled m...

connects - Answer function of connective tissue specialized cells; ground tissue/matrix; protein fibers - Answer all connective tissues have loose; dense - Answer types of fibrous connective tissue fibroblasts - Answer specialized cells for fibrous tissue supports epithelial tissues and internal organs - Answer function of loose connective tissue forms tendons and ligaments - Answer function of dense connective tissue loose connective tissue; stores fat; insul...

What is Differentiation? - Answer Differentiation is the process by which an unspecialised cell develops more specialised functions by expressing the gened characteristic to that cell type. How to stem cells differentiate into specialised cell? - Answer By turning particular genes on or off Where is Adult Stem cells found ? - Answer Found in the Skin and Bone Narrow Name the three different types of cells ? - Answer Somatic Cells Germline Cells Gametes What type of body tis...