Bio 181 asu Study guides, Class notes & Summaries

Bio 181 ASU Exam 1 Questions & Answers 2024 Primitive prokaryote cell evolved into_________ - ANSWER-pro-eukaryotic cell Eukaryote - ANSWER-single celled organism Paramecium - ANSWER-distant ancestor of our cells, limited by # of biomolecular machines within itself What does a paramecium use cilia for? - ANSWER-to move What was the precursor to our kidneys? - ANSWER-contractile vacuole SEM(Scanning Electron Microscopy) - ANSWER-cannot view living cells What can parameciums...

Which strand is produced more rapidly? - ANSWER-Leading strand During DNA replication in the lagging strand there is production of this component? - ANSWER-Okazaki fragment How many "stop" codons exist? - ANSWER-3 The double helix of DNA is wrapped about 1¾ times around which of these components? - ANSWER-Nucleosome Which enzyme unwraps the double helix? - ANSWER-Helicase In the ribosome, what is the name of the bond that links one amino acid to the next? - ANSWER-peptide bonds...

BIO 181 ASU Exam 3 New Latest Exam Updated with All Questions from Actual Exam and 100% Correct Answers

BIO 181 ASU Exam 3 Questions And Revised Correct Answers List the 4 types of glial cells and list a phrase to describe their function. - ANSWER : 1. Schwann cells wrap around the axon of a cell in the PNS, while providing electrical insulation. 2. Oligodendrocytes do the same thing as Schwann cells but they do it in the CNS. 3. Astrocytes protect the brain from toxic chemicals. 4. Microgilia protect the brain. T/F When the presynaptic cells contacts a muscle cell, the synapse are...

T or F: Potassium ions are at high concentrations inside of cells, including neurons correct answer: True The action potential is a result of: correct answer: the movement of ions The post-synaptic cell can be: correct answer: in glands, muscle cells and neurons Th resting potential of a neuron is correct answer: -60mV T or F: The cell body refers to the part of the neurons that begin at the dendrites and extend to the axon terminal correct answer: false T or F: Voltage gated...

Bio 181 ASU exam 3 questions & answers 2024 T or F: Potassium ions are at high concentrations inside of cells, including neurons - ANSWER-True The action potential is a result of: - ANSWER-the movement of ions The post-synaptic cell can be: - ANSWER-in glands, muscle cells and neurons Th resting potential of a neuron is - ANSWER--60mV T or F: The cell body refers to the part of the neurons that begin at the dendrites and extend to the axon terminal - ANSWER-false T or F: Volt...

BIO 181 ASU CAPCO EXAM 1

BIO 181 ASU Exam Questions And Correct Answers List the 4 types of glial cells and list a phrase to describe their function. - Answer -1. Schwann cells wrap around the axon of a cell in the PNS, while providing electrical insulation. 2. Oligodendrocytes do the same thing as Schwann cells but they do it in the CNS. 3. Astrocytes protect the brain from toxic chemicals. 4. Microgilia protect the brain. T/F When the presynaptic cells contacts a muscle cell, the synapse area is called a moto...

BIO 181 ASU CAPCO EXAM With Questions 100% Solved Write a few sentences that explain what limits an individual cell from becoming more complex. - ANSWER Bimolecular machinery and division of labor The paramecium discussed in class contained an organelle called the contractile vacuole. This is the presumed precursor of the: - ANSWER Kidney In cell Biology what can limit the progress of science? - ANSWER Technology True or False: In you own multicellular body, cells with different functions...

Question 1: In your own multicellular body, cells with different functions have different DNA. - False Question 2: After a cell is pancake shaped in a cell culture dish, the order of events that occurs as a cell walks is (pick the best order):- Filapodia, lamellipodia, cell muscle, retraction fiber. Question 3: When cancer cells are crowded by surrounding cells, the cancer cells become spherical and they can still go through cell division. -True Question 4: What limits how big a cell can be...