Demetrius

In a hypothesis identify both the IV and DV correct answer: Independent variable: the variable that is being tested dependent variable: the variable that is being measured What are the steps of the scientific method? correct answer: observation, research, form hypothesis, experiment, conclusion, share results What is the difference between independent and dependent variables? In a graph? correct answer: Independent variable: the variable that is being tested (x axis) dependent variabl...

Where do all cells come from? correct answer: Cells that already exist. The maximum population of a particular organism that a given environment can support without detrimental effects. correct answer: Carrying Capacity a mature sexual reproductive cell, as a sperm or egg, that unites with another cell to form a new organism. correct answer: Gamete the cell produced by the union of two gametes which are the sex cells. This is the 1st cell of the organism. correct answer: Zygote T...

Active Transport correct answer: Process requiring energy for the movement of particles across a cell membrane against the concentration gradient. ADP (Adenosine Diphosphate) correct answer: An organic compound that is composed of adenosine and two phosphate groups. With the addition of another phosphate group, it is converted to ATP for the storage of energy during cell metabolism. It then forms again, from ATP, when a phosphate group is removed to release energy. Amino Acids correct an...

Which of these stages will be formed when a 16-celled embryo undergoes differentiation? correct answer: Blastula The organism shown in the drawing usually reproduces through the _________ process called binary fission. A) asexual B) heterosexual C) isosexual D) sexual Bacteria reproduce through the asexual process called binary fission, or simple cell division. correct answer: A) asexual The picture depicts budding in the yeast cell. What is the result of this pro...

What are the levels of organization? correct answer: Cells -> Tissues -> Organs-> organ systems -> organism -> population -> community -> ecosystem -> biome -> biosphere Cells correct answer: Basic unit of life Tissues correct answer: Groups of cells with a common structure and function. Organs correct answer: Groups of tissues that work together to perform a specific function or related functions Organ system correct answer: a group of organs working ...

If a company claims that its product has proven scientifically, which of the following should have taken place if the results are to be considered reliable? correct answer: Results should have been peer reviewed and repeated producing the same findings a student is conducting an investigation to determine the effect of temperature on the metabolism of yeast (saccharomyces cerevisiae). yeast and sugar are added to water, the gas produced is captured, and its volume is recorded. Which variable...

Which of these is required for aerobic cellular respiration? correct answer: oxygen In a typical animal cell, which component contains the greatest amount of water? correct answer: cytoplasm Students in a biology class thought that salt water would affect the movements of planaria. They put 25 planaria in salt water and recorded their observations. Which flaw was present in the design of their experiment? correct answer: There was no control. The diagram shows a section of a cell mem...

speed correct answer: the rate of change of position (distance per time or d/t) velocity correct answer: speed with direction acceleration correct answer: the rate of change of velocity (velocity per time) mass correct answer: quantity of matter (inertia) weight correct answer: gravitational force inertia correct answer: tendency to continue at rest or with constant velocity (mass or laziness) If distance is 800 m and time is 200 s, what is speed? correct answer: 4 m/s ...

How to go from short leg to hypotenuse in a 45-45-90 triangle correct answer: x times radical 2 How to go from short leg to long leg in a 30-60-90 triangle correct answer: x times radical 3 How to go from short leg to hypotenuse in a 30-60-90 triangle correct answer: x times 2 90 degrees clockwise/ 270 degrees counter clockwise rotation: (x, y) -> ___? correct answer: (y, -x) 180 degrees rotation: (x, y) -> ___? correct answer: (-x, -y) 270 degrees clockwise/ 90 degrees...

Differentiate between CNS and PNS correct answer: CNS= "Command Center" Brain+Spinal Cord PNS= carry all outside regions of CNS to CNS What is the function of myelin? correct answer: Myelin Layer (or sheath) protects and insulates axons and enhances their electrical transmission Define MS. correct answer: Multiple Sclerosis (MS) = an immune mediated process in which an abnormal response of the body's immune system is directed against the CNS. cause unknown. No cure. Which spinal ...

What is the function of the urinary system? correct answer: To filter blood, remove waste in the form of urine What are the four organs involved in the urinary system? correct answer: Kidneys, ureters, bladder, urethra What is the function of the kidney? correct answer: To filter blood and create urea What are ureters? correct answer: Tubes that transfer the urea from the kidney to the bladder What is the bladder? correct answer: Holds the urine until it can be removed What i...

chemical reaction correct answer: reactants turn into products reactants correct answer: the molecules that are used and changed in a reaction products correct answer: Chemical substances formed as a result of a chemical reaction. They are always located on the right of the reaction activation energy correct answer: The minimum amount of energy needed to start a reaction catalyst (give an example) correct answer: A substance that speeds up the rate of a chemical reaction. (Enzym...

Epithelial Tissue correct answer: Covers things lining of organs and body cavities in layers Connective Tissue correct answer: joins things together and has a fairly consistant matrix which allows it to fill space with unique shapes and sizes. Examples include adipose, blood, bones and cartilage Nervous Tissue correct answer: neurons and has long axons to allow signals travel distances Muscular Tissue correct answer: provides a) posture and body support b) locomotion and c) heat p...

Which of the following describes tissues? correct answer: a group of associated cells with similar structure and function. The ribs emerge from the? correct answer: thoracic vertebrae The field of forensic anthropology would include analyzing skeletal remains to determine any of the? correct answer: cause of death Which of the following bone features would be used to collect data for determining height? correct answer: length of the humerus If a doctor told a patient that their a...

Describe an example that demonstrates how one human body system impacts the effectiveness of another. correct answer: if the nervous system does not give a signal to certain glands in the endocrine system, hormones do not get released when they should, which can impact body function Describe three body processes or functions that all humans have in common. correct answer: (1) All humans excrete liquid waste through the urinary system, which filters out waste products and recycles water and ...

Unit 1: What does Superior mean? correct answer: above Unit 1: What does Inferior mean? correct answer: below What is Skin? Unit 5: Protection correct answer: Skin is an organ that helps the body maintain homestasis What does the Skin do? Unit 5:Protection correct answer: Skin protects the body, and allows us to connect with the outside world. What is the skin made of? Unit 5: Protection correct answer: It is made of two layers which are called the dermis and epidermis and co...

The fingers are ____________ to the wrist correct answer: distal The foot is ______ to the knee correct answer: inferior The scapula (shoulder blade) is ______ to the vertebral column correct answer: lateral Which bone is attached to the distal end of the patella? correct answer: tibia Which region of the body is blood normally drawn from? correct answer: antecubital Which structure is lateral to the coccyx? correct answer: ischium What structure are the true ribs attache...

Anterior front of the body Posterior back of the body Inferior body parts anatomically considered as lower ex: legs are inferior to the arms Superior body parts anatomically considered as higher ex: the head is superior to your abdomen Medial towards the middle Lateral outer side of the body Distal farthest from the middle ex: the thumb is distal to the wrist Proximal closest to the middle ex: the shoulder is proximal to the elbow Superficial Outside ...

What part(s) of the brain are responsible for vision? correct answer: Occipital lobe What part(s) of the brain are responsible for muscle coordination? correct answer: Cerebellum and pons What part(s) of the brain are responsible for feelings like happiness and anger? correct answer: Frontal lobe and amygdala What part(s) of the brain are responsible for breathing? correct answer: Brain stem and medulla oblongata What part(s) of the brain are responsible for speech production? co...