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BIOL 250 UNIT EXAM 2 PERFECT QUESTIONS WITH ANSWERS 2024/2025 UPDATES

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  • August 5, 2024
  • 9
  • 2024/2025
  • Exam (elaborations)
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  • BIOL 250
  • BIOL 250
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BIOL 250 UNIT EXAM 2 PERFECT
QUESTIONS WITHANSWERS 2024/2025
UPDATES

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Unit Exam 2

Part 1 of 5 - Part 1 22.0/ 22.0 Points From chapter 3

Question 1 of 50 2.0/ 2.0 Points
What scientist is given credit for coming up with the concept of the cell?
A. Michael Curie
B. Galileo
C. Robert Hooke

Question 2 of 50 2.0/ 2.0 Points
The process named "transcription" occurs within the cell nucleus. is produced during
this process.
A. A mRNA molecule
B. A tRNA molecule
C. A pRNA
D. A very short amino acid chain

Question 3 of 50 2.0/ 2.0 Points
Which of these methods that aids in the movement of ions or molecules across a cell membrane
requires the use of energy which is supplied by ATP molecules?
A. Facilitated diffusion
B. Reverse diffusion
C. Osmosis
D. Active transport

Question 4 of 50 2.0/ 2.0 Points
A cell is an unspecialized cell that can divide without limit as needed and can, under
specific conditions, differentiate into specialized cells.
A. Stem cell
B. Haploid cell
C. Sex cell
D. Diploid cell

Question 5 of 50 2.0/ 2.0 Points
What is the name of the process during which a chain of amino acids called a polypeptide is synthesized?
A. Translation
B. Trans-section
C. Splicing




3

, Question 6 of 50 2.0/ 2.0 Points
The most direct method by which an ion or molecule can move across a cell membrane is by




3

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