What is the main role of carbohydrates in the body? Build muscle Regulate sleep cycles Provide the main source of fuel Produce hormones
What safety precaution should you take when using a high-power lens on a microscope? b) Ensure the slide is properly secured to prevent it from moving a) Always use the coarse focus knob to avoid damaging the lens d) Use the highest magnification immediately without focusing
Which type of microscope is best for viewing the surface of a bacterial cell? b) Scanning electron microscope c) Transmission electron microscope d) Fluorescence microscope
How do you calculate magnification on a light microscope? a) Multiply the power of the objective lens by the power of the eyepiece lens Add the power of the objective lens to the power of the eyepiece lens d) Subtract the power of the eyepiece lens from the power of the objective lens
What is your evidence for why you think food has energy or does not have energy? Write here...
Is the statement "barnacles are found on the bottom of the boat"an observation or inference? Inference Observation
) The substance produced by T cells that direct T and B cells activity is called: Cytolytics Cytokines Collecins Interleukin 1 Clotting Factor X
Question 4 of 10 Which adaptation helps plants live in a biome that receives heavy snowfall? A. Water-storing stems B. Waxy, needlelike leaves C. Fire-resistant seeds D. Cactus spines
2. Define various directional terms (ie. superior, inferior,etc.), and compare different body parts using these terms (i.e. the elbow is proximal to the wrist).
What is the function of cellulose? a Used by animals to store energy b Used by plants to form strong cell walls c Used by plants to store energy d Used by some animals to form their external skeleton
Olfactory receptors are A) bipolar cells B) multipolar cells C) unipolar cells D) epithelial cells A A B B C C D D
What replaces peptidoglycan in Archaea cell walls? an S-layer organelles DNA amino acids
The SCN is known as the pacemaker because without it, we cannot estimate time accurately. True False
Which of the following tools do scientists use to cut DNAin genetic engineering? plasmids small knives DNA ligase proteases restriction enzymes
Which section of the brain helps regulate digestion and respiration? Cerebrum Cerebellum Diencephalon Brainstem
What happens when insulin is released into the blood? (Choose two) Body cells take in glucose. Liver cells break down glycogen and release glucose into the blood. Body cells break down glycogen and release glucose into the blood. Liver cells take in glucose.
Which scenario demonstrates a cause-and-effect relationship? A population of dead bats is discovered with noses that are coated with a white fungus. Bats with microscopic damage to wing membranes are found to be infected with a cold-loving fungus. Agricultural regions with high infestations of insect pests are located near caves that contain a white fungus and very few bats In a laboratory, 100 healthy bats exposed to a fungus develop white nose syndrome and die.
What is the plasma membrane that wraps each muscle fiber? Epimysium Endomysium Fascicle Sarcolemma
Which of the answers below is not a major factor in altering alleles that can bring on evolutionary change? Gene flow Genetic Drift Natural selection Recombinant DNA
The point at which the axon terminal meets the muscle fiber is the dendrite receiver neuromuscular junction joint action potential