Bio 311C - TEST 2 Squarecap Questions | 50 Questions with 100% Correct Answers | Updated & Verified
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Course
Bio 311C
Institution
Bio 311C
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 evolut...
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
Which of the following is the correct sequence of events in the origin of life?
I. Synthesis of organic monom ers
II. Formation of prebiotic structures
III. Synthesis of organic polymers
IV. Formation of reproducible cells - ✔✔I, III, II, IV
Arrange the following processes in the order in which they evolved from oldest to latest.
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1. Photosynthesis
2. Respiration
3. Neuron signaling - ✔✔2, 1, 3
Three essential requirements for an ancestral cell to grow and multiply are
1. Cell membrane to define the cell and contain reactions within
2. ___________________ make and break molecules and
3. Genetic material to reprodcuce. - ✔✔enzymes
What are some of the good sources of information to understand evolution? - ✔✔early fossils
and history of life
Why was RNA considered to be the first genetic material formed even before DNA? - ✔✔they
could catalyze s imple reactions
A paleontologist estimates that when a particular rock formed, it contained 12 mg of the
radioactive isotope potassium -40, which has a half -life of 1.26 billion years. The rock now
contains 3 mg of the isotope. About how old is the rock? E nter in billions of years. - ✔✔2.52
Cell Theory in its modern form includes all of the following postulates except
__________________ - ✔✔A)
All organisms are composed of one or more cells.
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