Bio100 module questions 2020/2021

Q: which of the following is the process of movement of genes in and out a population? a. Fitness b. Genetic drift c. Heredity d. Gene flow Q: Matt’s blood sugar levels are very low as he is swimming in the waters off of Point Loma. He begins to drown and does not have much oxyn in his blood. Which of the following ? a. Oxidative phosphorylationInsulin b. Glycolysis c. Krebs cycle d. Glucagon SO WHATS THE ANSWER? Q: The process of cell death is called? A: Apoptosis I HAD QUESTIONS THAT HAD REPEATED ANSWERS WHAT THE HECK Which of the following describes convergent evolution? A: seperate evolutionary lineages evolved similar features tht are the result of common environments Q: The validity of scientific data is supported by control experiments and repetition of experiments. Concerning the case being made for global warming from a scientific point of view, which of the following is correct? A: (A) Although there are no control experiment, data from the environment suggest that the earth is warming very quickly. Q: After NADH Loses it’s hydrogen ion at the electron transport syatem, the hydrogen ion subsequently does which of the following? A: Q: Within James’ body ther​e are different chemical reactions taking place. As he eats his rack of lamb the food is metabolized to maintain his energy. This ongoing process causes an addition of hydrogen ions as well as electrons to make ATP. What is the name of this process? A. Reproduction B. Ventilation C. Oxidation inc D. Homeostasis E. reductions Q: which of the following is not a teratogen? 1. Pesticides 2. Radiation 3. Syphilis 4. Vitamin A 5. Gatorade Q:​which of the following organelles has its own DNA but not the form of Double helix and makes ATP? A) Smooth endoplasmic reticulum B) None of these answers C) Golgi complex D) Mitochondria Q which of the following organelles is not directly involved in the production of proteins? A: nucleus B: Rough endoplasmic reticulum C: ​Plasma membrane D: Golgi complex A contagious agent is described as… a. An infectious pathogen that is hereditary b. An infectious pathogen that can kill a host without the pathogen dying as well c. An infectious pathogen that can be used as a vaccine d. An infectious pathogen that can be transmitted from one person or species to another Which of the following comprises pus? a. Dying epithelial cells b. Dying hepatocytes c. Dying phagocytes a. have inherent systems to counteract these changes b. The ph of the ocean can become more acidic or basic but ut will not harm oceanic plants and animals since they have inherent systems to counteract these changes c. Depending on how much it becomes more acidic or alkaline it can influence the chemical structures and chemical reactions of both oceanic plants and animals Where are MHC class II cells found? a. Antigen cells b. T cells inc c. B cells d. All cells Edema in the pulmonary circulation refers to which of the following? a. Additional fluid in the trachea b. Additional intracellular fluid c. Additional capillary fluid d. Additional interstitial fluid e. Additional surfactant What does a phagocyte use to destroy a microbe? a. B cells b. Dopamine c. Lysosomes d. ribosomes Which of the following is the property that limits the ability of land to store heat? a. High specific heat b. Land covers the earth more than water c. High fluidity d. Low specific heatthree elements Q: Which of the following ins not a major component of the climate system? 1. Atmosphere 2. Biosphere 3. Mantle of the earth ​ -probably this one but idk 4. ocean Q: when a person faints, which system more t likely failed. 1. heart stopped beating for 15 seconds 2. veins didn’t send enough back to the right side of the heart 3. barorceptor reflex did not work 4. sympathetic nervous system caused a vasodilation Q: what is an av shunt? 1. an av shunt is a short vessel that allows blood to flow directly from the vein to the artery, bypassing the capillaries 2. an av shunt is made of small bands of smooth muscle that can be regulated by the autonomic nervous system 3. coronary arteries 4. an av shunt is a short vessel that shows blood to flow directly from artery to the vein, bypassing the capillaries inc 5. an av shunt is when vessels constrict and therefore restricts blood flow into the capillary bed Q: A new coach tells his team that the reason they get fatigued after three exercise is because they do not have enough oxygen in their red blood cells. He has no data to support his position t. Therefore his advice is? 1. Valid since he knows how fatigued people act 2. Not valid since has has not collected any data to support his claim 3. Not valid since he has not reproduced the findings 4. Valid since he is an expert working with people The cocaine in plants activates many different cells and organs in insects. Specifically, in terms of its activation of insect neurons, which of the following is correct? Cocaine directly affects which of the following? 1. Nicotine receptors on the plasma membrans of all cells 2. Nicotine receptors on the mitochondra of brain cells 3. Nucleus of cell 4. Nicotine recpetors on the plasma membrane of brain cells 5. Nicotine receptors on the golgi bodies of nerons ^ HELP This is my last question pls help HELP on this one plssss^^ What is this?!?!?!?!?!?!?!?!?!?