TeeGrades

The control center of cell activities is called the: a. nucleus b. cytoplasm c. protoplasm d. body system - a. nucleus Which of the following is NOT an example of metabolism? a. building up of larger molecules from smaller ones b. controlling the basic functions and activities of the cell c. releasing energy to perform specific body functions d. breaking down of larger molecules or substances into smaller ones - b. controlling the basic functions and activities o...

Cell - Basic living units of all organisms Light Microscope(s) - Allows us to visualize the general features of a cell Electron Microscope(s) - Used to study the fine structures of a cell Higher magnification than an light microscope Scanning Electron Microscope(s) - Microscope that allows us to see the features of a cell's surface as well as the surfaces of internal structures Transmission Electron Microscope(s) - Microscope that allows us to see "through" parts...

Anatomical position - A human standing erect, face forward, with feet parallel and arms at the side, with palms facing forward. Prone position - The patient is laying face downward on the stomach. Supine position - The patient is laying face upward on the back. Trendelenburg - The head of the bed is lower than the patients feet. This position helps move secretions from various regions of the patient's lungs. Precautions must be taken due to the fact that it increases blood ...

elements - substance composed of only one type of atom that cannot be broken into simpler constituents by chemical means compounds - chemical combination of two or more elements atoms - smallest particle of a chemical element that retains the properties of that element; particles that combine to form molecules subatomic particles - particles that make up atoms; neutrons, protons, electrons nucleus - dense, central core of an atom protons - positively charged suba...

Define anatomy and physiology (Chapter 1) Anatomy: The study of structure -Subdivision: Gross or macroscopic Physiology: Study of function of the body. -Subdivisions based on organ systems -Often focuses on cellular and molecular level Explain the principle of complementarity (Chapter 1) Anatomy & physiology are inseparable -What a structure can do depends on its specific form -Function always reflects structure Name the different levels of structural organization that make...

Q1a. Step 1 1 of 2 Below is list of student with the games they play: • ∙∙ Ayanna: Basketball, Soccer • ∙∙ Pam: Basketball, Volleyball • ∙∙ Sue: Basketball, • ∙∙ Lisa: Basketball, Soccer, Volleyball • ∙∙ Ron: Basketball, Soccer • ∙∙ Max: Basketball, Soccer, Volleyball • ∙∙ Ito: Basketball • ∙∙ Juan: Basketball, Volleyball • ∙∙ Nelia: Basketball, Soccer • ∙∙ Tyron: Soccer • ∙∙ Aida: Soccer, Volleyball • ∙∙ Evita...

Q1. Step 1 1 of 7 We need to use set notation to write the elements of �J, which is “the set of whole number multiples of 33 that are less than 1515” then determine if the statement, 15∈�15∈J is true or false. How do we write a set using set notation? Step 2 2 of 7 A set notation lists the elements of the set using braces (or curly brackets), {{ }}. Step 3 3 of 7 In this case, we know that set �J is the the set of whole number multiples of 33 that are less than 1515. By ...

Step 1 1 of 7 We need to use set notation to write the elements of �J, which is “the set of whole number multiples of 33 that are less than 1515” then determine if the statement, 15∈�15∈J is true or false. How do we write a set using set notation? Step 2 2 of 7 A set notation lists the elements of the set using braces (or curly brackets), {{ }}. Step 3 3 of 7 In this case, we know that set �J is the the set of whole number multiples of 33 that are less than 1515. By reca...

Q: What type of cells are eukaryotic cells? A: Animal and plant cells Q: How many chambers of the heart are there? A: There are 4 chambers of the heart Q: Where in the human body is bile stored? A: In the gallbladder Q: What are the symptoms of salmonella? A: Vomiting, abdominal cramps, fever, diarrhoea Q: What is the word equation for anaerobic respiration in plants and yeast? A: Glucose > ethanol + carbon dioxide Sample Questions & Answers Chemistry Sample Questions Q: What did ...

MCAT Practice Exam Test Bundle

Why are triacylglycerols used in the human body for energy storage? A) They are highly hydrated, and therefore can store lots of energy. B) They always have short fatty acid chains, for easy access by metabolic enzymes. C) The carbon atoms of the fatty acid chains are highly reduced, and therefore yield more energy upon oxidation. D) Polysaccharides, which would actually be a better energy storage form, would dissolve in the body. - C Triacylglycerols are highly hydrophobic and there...

Central Dogma DNA → RNA → Protein Purines - which bases? - how many rings? Pyrimidines - which bases? - how many rings? Remember: "Pyrimidine" has a "y" in it; so does "cytosine" and "thymine." Phosphodiester Bond Joins one nucleotide to the next; between the 3rd C of one ribose and the 5th C of the other to create the sugar-phosphate backbone Directionality of DNA (convention) 5' → 3' (but strands are antiparallel, so other strand is opposite) 3' of DNA atta...

Thin layer chromatography can use silica plates which are very polar. Will polar or non polar substances have lower Rf values on this plate? - Polar substances - they will have a higher affinity for the silica and thus will not travel as far as the non polar substances A titration of a strong acid with a strong base or vice versa has an equivalence point around what pH? - 7 What type of bond is usually disrupted during denaturation of proteins? - H bond Is uracil a purine or py...

Thin layer chromatography can use silica plates which are very polar. Will polar or non polar substances have lower Rf values on this plate? - Polar substances - they will have a higher affinity for the silica and thus will not travel as far as the non polar substances A titration of a strong acid with a strong base or vice versa has an equivalence point around what pH? - 7 What type of bond is usually disrupted during denaturation of proteins? - H bond Is uracil a purine or py...

the chemical reaction that breaks down all the major macro-molecules - Hydrolysis What is the strongest type of INTER-molecular bonds? - Hydrogen bonds are the strongest intermolecular bonds.... diople-dipole bonds are weaker. . . Vander wall bonds are the weakest. Why is water a liquid at high temperatures? - Hydrogen bonding bonds the water molocules closer together. What is an ampipathic molecule? give an Example. - A molecule with both hydrophobic and hydrophilic region...

Coordination compounds, a .k.a. coordinate covalent bonds, are? Coordinate covalent bonds usually occurs between? Does B have a lone pair? - - bonds in which one atom donates BOTH of the electrons necessary to form a sigma bond - a transition metal with a positive oxidation state and an atom containing a lone pair - no Which of the following is most likely to form a coordination compound with nickel? A. CH4 B. BF3 C. PH3 D. NH4+ - - C. PH3 The action that will increase ...

Lateral Geniculate Nucleus - Visual Pathway Medial Geniculate Nucleus - Auditory Pathway Bipolar Cells - Relay sensory information relating to vision, olfaction, audition and the vestibular sense. Found in retina, inner ear, nasal cavity "miss" - failure to respond after an event has occurred Tunnel Vision - Decreased field of vision occurring after the sympathetic nervous system responds to "fight or flight" Top-Down Processing - Uses what the brain already ...

Absolute threshold - The minimum stimulus intensity required to activate a sensory receptor 50% of the time. Difference threshold (JND) - The minimum noticeable difference between two sensory stimuli 50% of the time. Weber's law - States that two stimuli must differ by a constant proportion for difference to be perceptible. Spotlight model - Visual attention can shift within the visual field but can only be focused on a single target. Phonological loop - A component o...

Increased intermolecular attractions cause the ratio PV/(RT) to decline because individual molecules: A. eventually combine with other molecules, decreasing the number of particles in the container. B. lose kinetic energy to potential energy and strike the side of the container with less force. C. increase in speed due to electron repulsion and strike the side of the container with increased force. D. transfer electrons during collisions with other molecules in the container. - B. ...

Biopsychosocial approach to health and illness - Illness is determined by a variety of influences, rather than a single cause. The causes and effects of illness can be examined at multiple levels in the life of an individual, and no single level provides the whole picture. Collecting info about psychosocial context is key to the understanding of physical health and illness. Biomedical approach to health and illness - Disease is studied by examining only the biological factors of illness...