DQuestion 43Which of the following membrane activities requires energy from ATP hydrolysis?O water uptake of plants from roots to shootsO movement of water using aquaporinO absorption of dissolved nutrients in the small intestineO transport of oxygen through the phospholipid layerQuestion 44Which of the following statement is NOT true about the cell wall of various organisms?O The cell wall of insects is made of celluloseO Sugar and peptidoglycan are attached to the cell wall of bacteriaO The cell wall of the plants is made of celluloseO The cell wall of fungi is made of chitin

Active transport: It transports molecules through the cell membrane against the concentration…

Answered: Question 43 Which of the following…

Biology: The Unity and Diversity of Life (MindTap Course List)

14th Edition

ISBN:9781305073951

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter4: Cell Structure

Section: Chapter Questions

Problem 15SQ

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1) What type of energy is this? • it can travel in waves ( light, sound) •It include the random thermal motion of molecules. _________? energy 2) This molecule: • is required for photosynthesis. • Diffuses across a semi permeable membrane by osmosis._________? 3) This type of passive transport • does not require ATP • uses transport proteins to increase the rate of diffusion. • helps transport polar molecule ( H2O, H+). 2 words___________? 4) This type of osmotic environment/solution: • is ideal for plant cell • will cause a red blood cell to swell up and burst • has a lower concentration of solutes._________? 5) This molecule: • Contains potential energy • is used to convert CO2 into glucose • has an unstable triphosphate tail • is the main energy source for cellular "work".________? 6) This molecule: • is contained in the thylakoid membranes of chloroplasts • Converts sunlight energy into ATP • Reflects green wavelengths of light.______? 7) This molecule: • is present in our…
4. Which one of the following requires an energy source? a. a large molecule transported with its concentrated gradient b. a large molecule transported using facilitated diffusion c. a large molecule that has to use pinocytosis d. a large molecule that chemically emulates water e. a large molecule that chemically emulates oxygen
Match the organelle to its function. Match the organelle to its function. steroid synthesiscell shape and movement of organellesturgor pressuredetoxification of hydrogen peroxideribosome productionprotein synthesisstorage of hydrolaseinformation centersynthesis of secretory proteinsphotosynthesiscontains pigments in flowersboundary of the cellsynthesis of complex polysaccharidesATP synthesissupport and regulation of cell properties ribosome nucleus rough endoplasmic reticulum Golgi complex chloroplast chromoplast nucleolus peroxisome lysosome central vacuole extracellular matrix mitochondrion cytoskeleton plasma membrane smooth endoplasmic reticulum
A student ground up some plant leaf cells and then centrifuged the mixture to fractionate the organelles. Organelles in the one of the heavier fractions could produce ATP in the light, while those in the lighter fraction could produce ATP in the dark. The heavier fractions are most likely to contain ___ aside from mitochondria. A. Peroxisomes B. Starch granule C. Chloroplasts D. Plasmodesma
1 How are soaps made? Draw the full saponification reaction between potassium hydroxide and a triacylglycerol composed of stearic acid, oleic acid and palmitic acid. 2 How do soaps/ detergents work? include diagram. draw a diagram to show how ca2+ would disrupt miscelle formation. 3 draw a sketch of the cell membrane and label any important feature/ structures. how are gases , nutrients, ions transported across th ecell membrane. 4 Lipids are not water soluble, so how are dietary lipids and cholesterol transported?
20) Cells shrink when you place them in a solution with a high concentration of niacin (Vitamin B3), a component of NADH. This indicates that the cell membrane: IS permeable to niacin but NOT to water. Is NOT permeable to niacin but IS permeable to water. IS permeable to BOTH niacin and water. Is NOT permeable to EITHER niacin OR water
What factors make ATP suitable as an “energy currency” forthe cell?
By now you should be familiar with the following cellular components. Briefly define what they are and what function they provide for cells. a. cytosolB. cytoplasmC. mitochondria d. nucleuse. chloroplastsf. lysosomesg. chromosomesh. golgi apparatusi. peroxisomesJ. plasma membranek. endoplasmic reticuluml. cytoskeleton
A eukaryote cell typically has enough available ATP to meet its needs for about 90 seconds. What would cause an active cell to exhaust its ATP supply so quickly? A) regular rest is a cellular requirement. B) Photosynthesis used up all ATP. C) ATP is transported into other cells. D) Too much glucose takes over the cell, E) the cell runs out of or uses up the available O2
THSNK YOU PO IN ADVANCE 21. these are the described as organic catalysts of the protoplasm a. tannisb. alkaloidsc. proteinsd. enzymes22. these are bitter substances found in the barks of woody plantsa. proteinsb. tannisc. mucilages23. what part of the cell regulates the entry and exit of specific substances within the cella. cell membraneb. ribosomec. cystosold. mitochondria24. it consists of cellulose and glycoproteins that protect and provide structural support to the cella. cell membraneb. cell wallc. plastidd. nucleoplasm25. this part of the cell is described as a heterogeneous, colored plastid responsible for pigment synthesis in eukaryotic organisms.a. chloroplastsb. ribosomesc. golgi apparatusd. chromoplast
Evolution of _______ increased the energy available to cells, making a larger genome and processes such as membrane trafficking possible. a. the nucleus b. endoplasmic reticulum c. chloroplasts d. mitochondria
Test Your Understanding 4.When plant cells are in a hypotonic medium, they (a) undergo plasmolysis (b) build up turgor pressure (c) wilt (d) decrease pinocytosis (e) lose water to the environment

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