311c Study guides, Class notes & Summaries

Which of the following is NOT a property of all living organisms? A) Cell membrane B) DNA C) Respiration D) Response to stimuli E) Nucleus with DNA - E) nucleus with DNA A scientist is testing optimal conditions to grow human skin cells in a plastic petri dish for possible grafting of burn victims. What type of experiment is this? A) In vivo - holistic B) In vivo - reductionist C) In vitro - holistic D) In vitro - reductionist E) In situ - B) In vivo (living)-reductionist (cellular/t...

Which of the following molecules is the most polar one? A)CO2 B) CH4 C)CH3OH D)C2H6 E)O2 When Magnesium with two electrons and 2 chlorines with seven electrons each in their valence shells interact, they will form _________. A) Covalent Bonds B) Ionic Bonds C) H-Bonds D) Van Der Waals Forces E) Hydrophobic Interactions

Chemical evolution of first life forms from basic molecules is the most plausible way. Some steps of this process has been proven by scientific experiments. - Simple molecules combined to make larger molecules and eventually the ancestral cells Which of the following is the right order of evolution of the following organisms? I) Plants II) Rodents III) Humans IV) Bacteria - IV, I, II, III

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In certain plants, tall is dominant to short trait. If a heterozygous plant is crossed with another heterozygous (tall) plant, what is the probability that the offspring will be short? A) 1/2 B) 1/4 C)0 D) 1 E) 1/6 - 1/4 The parents' genotype is Tt because they are both heterozygous tall. The punnet square would indicate 3/4 chance that the offspring will be tall (TT, Tt, Tt) and 1/4 chance they will be short (tt) A cross between pea plants with red flowers and plants with white flowe...

Which of the following statements is/are true about the origin of life on earth? A) All life forms were created by some superhuman powers B) Life started with aliens spaceship bringing the first life forms C) Water bubbles in the air combined with minerals and formed life D) Simple molecules combined to make larger molecules and eventually the ancestral cells E) All life forms existed as it is present today ever since the earth was formed - D) Simple molecules combined to make larger molec...

Which of the following is NOT a property of all living organisms? A) Cell membrane B) DNA C) Respiration D) Response to stimuli E) Nucleus with DNA - E) nucleus with DNA A scientist is testing optimal conditions to grow human skin cells in a plastic petri dish for possible grafting of burn victims. What type of experiment is this? A) In vivo - holistic B) In vivo - reductionist C) In vitro - holistic D) In vitro - reductionist E) In situ - B) In vivo (living)-reductionist (cellular/t...

Which of the following molecules is the most polar one? A)CO2 B) CH4 C)CH3OH D)C2H6 E)O2 When Magnesium with two electrons and 2 chlorines with seven electrons each in their valence shells interact, they will form _________. A) Covalent Bonds B) Ionic Bonds C) H-Bonds D) Van Der Waals Forces E) Hydrophobic Interactions Which bonds will break when you blow dry wet hair? A) Covalent Bonds B) Ionic Bonds C) H-Bonds D) Van der Waals forces E) Hydrophobic interactions