The biggest changes in organ reserve occur what organs? a. Liver, lungs and kidneys. b. Heart, liver and stomach. c. Heart, lungs , and kidneys. d. Liver, kidneys , and stomach.
Which statement best describes enzyme specificity? Enzymes only function at high temperatures Enzymes can work with any substrate Enzymes change their shape frequently Enzymes work with specific substrates in a lock-and-key manner
Multiple Choice Question Which structure of the eye absorbs light to prevent it from scattering within the eye? lens choroid ciliary body
What is the primary function of enzymes in biological systems? Store genetic information Speed up reactions by reducing energy needed to break down and build molecules Transport oxygen throughout the body Produce energy through photosynthesis
. If you observed no clear trend in success rates , what might this suggest about the variables tested or the experimental design? flip success across water volumes.
For the following statements, choose the best answer: a) mimicry b)camouflage c) predator/prey relationship 5) An insect eating a plant. 6) This results in confusion on the part of the predator,the predator eats both the harmless and the poisonous species. 7) A chameleon lizard that seems to have disappeared in its surroundings.
Closing Question:Elaborate on why each statement is incorrect. 1. An enzyme binds to a substrate, transform itself into products, and release these products. 2. Lactose can be broken down by fructase. 3. Proteins are mainly responsible for long-term energy storage. 4. Carbohydrates are important for storage of hereditary information. 5. Lipids help to ensure your cells are properly repaired. 6. Nucleic acids are made up of fatty acids and are insoluble meaning they don't dissolve in water.
Multiple Choice 20 points Which factor does NOT affect enzyme function? The color of the substrate pH level Substrate concentration Temperature
Practice 1. Why is it difficult to separate the topics of anatomy and physiology? 2. List examples that illustrate how the structure of a body part makes possible its function.
Which of these are the producer? Sun Tree stump Berries Snail
The heart's __ chambers work together to circulate blood throughout the body. two four five three
The membrane that surrounds an entire nerve is the: perineum endoneurium epineurium neurilemma
A single neuron and all the muscle fibers it stimulates comprise a: neuromuscular junction motor end plate motor unit synapse
Most skeletal muscles cross at least one joint tendon bone ligament
During which period were prokaryotes the dominant organisms, and where did they exist? Cambrian, water Proterozoic, land Archean, land Proterozoic, water Archean, water
Practice It! Which of the following is a way in which plants can conserve water? Leaves can have a waxy cuticle. Pores on leaves can regulate water loss. All of the answers are correct. Leaves can have low surface areas.
Which group(s) has a pseudocoelom? flatworms sponges jellyfish roundworms vertebrates
Which of the following is NOT true of the appendicular skeleton? It includes the ribs and sternum. It is composed of upper and lower extremities. It makes body movement possible. It protects the major organs of the digestive excretion, and reproductive systems.
Chemical receptors that detect $CO2$ levels are called: Photoreceptors Chemoreceptors Thermoreceptors Mechanoreceptors
Answer the following questions Question 3 MICROTUBULES MAKE UP WHICH CELLULAR APPENDAGES FLAGELLA NONE OF THE ANSWER CHOICES CILIA ALL OFTHE ANSWER CHOICES
