3.2.1 Cells And Homeostasis (cells): Question Preview (ID: 23521)


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A healthy circulatory system is able to deliver excess oxygen and nutrients to cells. Which cell organelle requires oxygen to carry out cellular respiration?
a) mitochondria b) chloroplast c) ribosome d) nucleus
Which part is responsible for energy?
a) nuclei b) chloroplasts c) mitochondria d) cytoplasm
Oxygen is produced by the ___ and carbon dioxide is produced by the ___.
a) chloroplasts, mitochondria b) mitochondria, chloroplasts c) ribosome, nucleus d) nucleus, ribosome
Specialized proteins control cell division in the amoeba. Which cell part is responsible for making these proteins?
a) ribosome b) mitochondria c) chloroplast d) nucleus
Students separated 16 Elodea plants into four equal groups. Each group was exposed to a different number of hours of light. The amount of gas released was measured. Which structure would produce the gas?
a) nucleus b) choloroplast c) mitochondria d) ribosome
Which of the following process occurs in chloroplasts?
a) cellular respiration b) natural selection c) photosynthesis d) mitosis
Some cells have many short, hair-like structures extending from the cell membrane. These structures are used mainly for ___ and are called ___.
a) waste removal, excretory b) DNA replication, nucleotide c) energy production, mitochondria d) cell movement, cilia
The natural cycling of oxygen between organisms and their environment is most directly accomplished through which of the following pairs of processes?
a) fermentation and oxidation b) transpiration and evaporation c) precipitation and evaporation d) photosynthesis and respiration
The false feet of the amoeba is used for movement and ingestion of food particles. What is this called?
a) flagella b) cilia c) pseudopodia d) mitochondria
Mature human red blood cells lose their nucleus during their development. Which of these are, therefore, ABSENT from red blood cells?
a) cytoplasm and cytosols b) membranes c) chromosomes and nucleic acids d) vacuoles
Some cells, such as human nerve and muscle cells, contain more mitochondria than other cells. Why do some cells have more mitochondria than others?
a) The cells use more energy. b) The cells store more nutrients. c) The cells degrade more proteins. d) The cells divide more frequently.
Which organelle is correctly matched with the cell process it performs?
a) Vacuole--storage site of the cell b) Chloroplast--diffusion of water in root systems c) Mitochondrion--control center of the cell d) Ribosome--production of messenger RNA molecules in yeast cells
Euglena has a long, whip-like structure extending from the cell membrane that is used for movement. Which of the following do the Euglena use to move?
a) cilia b) vacuole c) flagellum d) pseudopodia
Yeast is a fungus made up of eukaryotic cells. When sugar is available, yeast will convert it into energy. What part of the yeast cell completes this energy conversion?
a) the cell membrane b) the nucleus c) the mitochondrion d) the ribosome
Which organelle in mangrove cells converts solar energy into useable energy?
a) mitochondria b) chloroplast c) ribosome d) nucleus
The plasma membrane is primarily made up of a(n)
a) cholesterol layer b) enzyme layer c) lipid bilayer d) protein bilayer
Keratin is a protein found in hair. Keratin is made in the
a) nucleus b) vacuole c) ribosome d) mitochondria
Which cell structure contains molecules that direct cell activities?
a) mitochondrion b) ribosome c) nucleus d) chloroplast
The exchange of oxygen and carbon dioxide between the body and the air occurs in the lungs. This exchange of gases takes place at the cellular level. What part of the cell is primarily responsible for this exchange?
a) cell membrane b) nucleus c) cell wall d) ribosome
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