ch04 - Chapter 4 Cells: What Are the Building Blocks of...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 4 Cells: What Are the Building Blocks of Life? 1. The smallest entity that is able to exhibit the characteristics of life is a a. virus b. DNA strand c. enzyme d. cell e. .proton Ans: d 2. Who was the first person to see cells in a microscope and give them their name? a. Leeuwenhoek b. Hooke c. Pasteur d. Darwin e. Lyell Ans: b 3. While studying a cell with the electron microscope, a scientist notes the following: numerous ribosomes, a well-developed endoplasmic reticulum, chloroplasts, nucleus, and a cell wall. Which of the following could be the source of this cell? a. animal b. bacterium c. plant d. prokaryotic algae e. fungus Ans: c 4. Which of the following is NOT a tenet of the Cell Theory? a. Cells are the fundamental units of life. b. All organisms are composed of one or more cells. c. Cells arise from preexisting cells. 38
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Chapter 4 d. Cells live forever. e. Cells contain hereditary information that passes from one generation to the next Ans: d 5. How many of the following seven structures are found either in plant cells or in animal cells, but NOT IN BOTH? Mitochondria, chloroplasts, cell membrane, centrioles, Golgi complex, cell wall, ribosomes a. one b. two c. three d. four e. five Ans: c 6. Which of the following pairs are unrelated? a. nucleus: heredity b. endoplasmic reticulum: transport c. mitochondrion: cellular respiration d. food vesicles: endocytosis e. smooth endoplasmic reticulum: ribosomes Ans: e 7. All of the following are components of infective viruses EXCEPT? a. DNA b. RNA c. protein d. lipid e. carbohydrate Ans: e 8. What structure provides for attachment of some bacteria to their hosts and sometimes to other prokaryotes? a. pili b. capsule 39
Background image of page 2
Chapter 4 c. mesosome d. flagellae e. sucker Ans: a 9. Through which prokaryotic cell structure can one prokaryote exchange genetic information (DNA) with another? a. mesosome b. ribosome c. cell wall d. flagellum e. pili Ans: e 10. What structure that extends beyond the cell wall of a bacterium is involved in propelling the bacterial cell forward? a. pili b. capsule c. mesosome d. flagellae e. cytosol Ans: d 11. Which kingdom below contains prokaryotes? a. Animalia b. Fungi c. Monera d. Plantae e. None of the above Ans: c 12. What kind of cell makes up all multicellular organisms? a. prokaryote b. bacteria 40 40
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Chapter 4 c. eukaryote d. viral e. none of the above Ans: c 13. Which adaptations below might you expect to see in cells that have large energy (ATP) requirements? a. elevated numbers of mitochondria with more highly folded mitochondrial inner membranes b. elevated numbers of Golgi apparati with more cisternae c. elevated numbers of chloroplasts with more thylakoids d. elevated numbers of centrioles with more tubules e. elevated numbers of nuclei with more nucleoli Ans: a 14. Which structure(s) below is/are totally or partially composed of microtubules? a. cilia
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 16

ch04 - Chapter 4 Cells: What Are the Building Blocks of...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online