Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Chapter 9, Problem 1TY
Summary Introduction
Introduction:
Bacteria are single-celled prokaryotic organisms, while humans are multicellular eukaryotes. Despite such a major difference, the bacterial cells are similar to human cells in a variety of ways.
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In which of the following ways does a bacterial cell differ from an animal cell? a. A bacterial cell is much larger than an animal cell. b. A bacterial cell has more mitochondria than an animal cell. c. A bacterial cell has RNA for its genetic material, whereas an animal cell does not. d. A bacterial cell does not have membrane-bound organelles, whereas an animal cell does.
Which of the following correctly compares how plant and animal cells differ?a. Plant cells have chloroplasts and mitochondria for energy, but animal cells do not have mitochondria.b. Plant cells have a cell membrane and cells walls for suppo, but animal cells do not have cell walls.c. Plant cells have ribosomes for synthesis, while animal cells have the Golgi apparatus.d. Plant cells have many small vacuoles for storage, while animal cells have one large central vacuole.
Describe how the size of prokaryotic cells compares to that of eukaryotic cells.
A. they are about the same size
B. prokaryotic cells are larger than eukaryotic cells
C. eukaryotic cells are larger than prokaryotic cells
Chapter 9 Solutions
Human Biology: Concepts and Current Issues (8th Edition)
Ch. 9 - Prob. 1QCCh. 9 - Prob. 2QCCh. 9 - Define the term pathogen and give some examples.Ch. 9 - Prob. 2CRCh. 9 - Prob. 3CRCh. 9 - Prob. 4CRCh. 9 - Prob. 5CRCh. 9 - Describe in general terms the distinction between...Ch. 9 - Describe the concept of an antigen and how it...Ch. 9 - Prob. 8CR
Ch. 9 - Prob. 9CRCh. 9 - Prob. 10CRCh. 9 - Prob. 1TYCh. 9 - Prob. 2TYCh. 9 - Prob. 3TYCh. 9 - Prob. 4TYCh. 9 - Prob. 5TYCh. 9 -
6. Which of the following is a benefit of...Ch. 9 - Prob. 7TYCh. 9 -
8. The following are steps in phagocytosis: (1)...Ch. 9 - Prob. 9TYCh. 9 - Prob. 10TYCh. 9 - Prob. 11TYCh. 9 - Prob. 12TYCh. 9 - Which of the following increases the likelihood of...Ch. 9 - Which of the following does not belong with the...Ch. 9 - Which of the following statements about HIV is...Ch. 9 - Prob. 1AWKCh. 9 - Prob. 2AWKCh. 9 -
3. Everyone knows that bacteria can cause...Ch. 9 - Prob. 4AWKCh. 9 - Prob. 5AWKCh. 9 - Why is it that most people get the chicken pox...Ch. 9 - The immune system is supposed to defend us from...
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- which of the following describes how RNA and DNA are used in mitosis? a. leads to the synthesis of proteins that assist in cell replication b. produce energy for cell division c. moves vesicles to the middle of the cell to form the cell plate d. forms spindle fibers that attach to chromosomesarrow_forwardWhat structure cannot be found in ALL cells? Explain why A. Mitochondria B. DNA C. Cell membrane D. Cytoplasm F. Ribosomesarrow_forwardIn the cells of honey badgers, DNA can be found in which compartments: Select one: a. cytosol b. nucleus c. nucleus and cytosol d. nucleus, mitochondria, and chloroplasts e. nucleus and mitochondriaarrow_forward
- What is different about prokaryotic and eukaryotic cells? a. The presence of an outer plasma membrane b. The presence of some type of ribosome c. The presence of membrane covered "cell organs"arrow_forwardAre the organelles labeled "A" found in prokaryotes, eukaryotes, or all cells? A. prokaryotes B. eukaryotes C. all cellsarrow_forwardYou are looking at the inside of a cell . How can you tell the cell is animal, bacterial or a plant cell ?Single choice. A. animal cell - nucleus ,no cell wall; bacteria cell -no nucleus ; plant cell- nucleus, cell wall and chloroplast B. animal cell - no nucleus, no cell wall ; plant cell - nucleus , no cell wall C. bacteria cell- nucleus ,no cell wall ; animal cell - nucleus ,cell wallarrow_forward
- Which organelles would need to work together to accomplish the following? A. Create a protein that would stay in the cell B. Create a protein that would leave the cell C. Create a lipid that would leave the cell D. Breakdown material brought into the cellarrow_forwardIn animal cells, lysosomes are the organelles in charge of digesting enzymes withnutrients that the cell consumes. If all the lysosomes in a cell were to break, what wouldwould initially happen to the cell?A. Molecules within it would degrade.B. It would lose all the water in the cytoplasm.C. There would be no cellular respiration.D. No proteins would form.arrow_forwardWhat features of mitochondria are similar to bacteria? Select all that apply. A. Membrane-bound ribosomes B. Cellular machinery for photosynthesis C. Independent movement D. Circular DNA similar to plasmidsarrow_forward
- In protein synthesis, modification and transport, what will be the correct order of organelles involved in the process? A. nucleus - ribosomes - Golgi complex - vesicles B. endoplasmic reticulum -ribosomes - vesicles Golgi complex C. Golgi complex - endoplasmic reticulum - vesicles - ribosomes D. ribosomes - endoplasmic reticulum - vesicles - Golgi complex One of the meristematic tissues is vascular cambium which is responsible for increasing the diameter of stems and roots. In which part of the plants is the vascular cambium found? A. In structure 4, where they are in the sides of stems and roots. B. In structure 3, where they are located at the base of leaves and internodes. C. In structure 1, where they are covered by lower and upper epidermis of the leaf . D. In Structure 2, where they are located on the tips of stems and roots of the plants .arrow_forwardMembers of the mycoplasma genus of bacteria do not have a cell wall for protection, existing with only a simple cell membrane made up of fatty acids and phospholipids. They cannot however, synthesize their own fatty acids. How is this possible? A. They use host materials B. They use peptidoglycan from other bacteria C. They use anabolism as a way to create their outer membrane D. They use amino acids to build their membranesarrow_forwardWhy are proteins important for cells? A - They are the main source for energy inside cells. B - They control all cell structure and function. C - They only break down materials in the lysosome. D - They only create new ribosomes.arrow_forward
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