Which statement is NOT true about the events/conclusions from studies during the mid-1800s surrounding the discovery of cells?
(a) Cells came to be known as the smallest universal building block of living organisms.
(b) Scientists came to the conclusion that new cells can form spontaneously from the remnants of ruptured cells.
(c) Light microscopy was essential in demonstrating the commonalities between plant and animal tissues.
(d) New cells arise from the growth and division of previously existing cells.
(b)
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How many water molecules would be produced in making a polypeptide that is 14 amino acids long?
A. 0 B. 13 C. 14 D. 28
How many chromosomes should be in an embryo nucleus?
A) 8 B) 16 C) 24 D) 32
The basis of heredity was the direct result of critical and logical thinking. After considering alternative scientific explanations to explain the data he obtained, Gregor Mendel laid the foundation for genetics. His conclusions were based on carefully planned investigations. What organism did Mendel select to carry out his investigations?
A) snapdragon plants B) fruit flies C) mice D) pea plants
An allosteric inhibitor
A) increases the rate of substrate binding. B) binds and activates the high-affinity state of the enzymes. C) is identical to the active site. D) binds at the regulatory site. E) is converted to an activator by the enzyme.