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Reed Science Midterm

Why is osmosis important to cells? cells are filled with fluids that are made mostly of water
Cellular respiration is the process by which... cells use oxygen to produce energy from food
One type of fermentation in muiscle cells produces... lactic acid
Photosynthesis allows... a plant to produce food(glucose)
Organelles and chromosomes are copied during... the first stage of the eukaryotic cell cycle
When particles travel from an area of high concentration to an area of low concentraton this is called... diffusion
Diffusion allows materials to... move in and out of cells
A cell does not need to use energy during... diffusion
When water diffuses into or out of the cell, it is called... osmosis
Osmosis si important to cells because... cells contain fluids that are mostly water
Why does a plant need to produce glucose? in order to obtain energy
Cellular respiration allows an organism to get energy from... food
Fermentation occurs when a cell can't get... oxygen needed for cellular respiration
Food particles move through a cell membrane without using energy in a process called... passive transport
When wilted celery is soaked in water, it becomes crisp again due to... osmosis
What of the folowing is a product of photosynthesis: glucose, water, carbon dioxide, or heat energy? glucose
What do all organisms need in order to live? energy and raw materials
What do all organisms need to get rid of in order to live? wastes
What do materials go in and out of an organisms cell through? cell membranes
What is the process that moves particles from areas of higher to areas of lower concentration? diffusion
Moving materials through a cell membrane by active transport requires the use of what? energy
Osmosiss benefits plant cells by bringing in... water
When a human feels hungry it is because his or her cells need... energy
Most complex organisms obtain energy through... cellular respiration
Where is chlorophyll located? in chloroplasts
What gas is released during cellular respiration? carbon dioxide
Which type of cell contains more DNA: prokaryotes, eukaryotes, cells without cell walls, or cells with cell walls? eukaryotes
In a prokaryotic cell, the chromosomes are located in a main ring of... DNA
The material that controls all cell activities is called... DNA
Which of the following is not a characteristic that all organisms share: ability to taste and smell, ability to grow and develop, ability to use energy, or ability to sense and respond to change? ability to taste and smell
What molecules form much of the cell membrane? phospholipids
What molecule is the major energy carrier in the cell? ATP
What type of molecule is DNA? a nucleic acid
Which of the following reproduces through asexual reproduction:humans, hydra, fish, or birds? hydra
What do sounds, gravity, and light all have in common? They are examples of stimuli
Maintaining stable internal conditions is called... homeostasis
What happens when organisms reproduce? They make organisms similar to themselves
What is the passing of genetic traits from parents to offspring? heredity
Which of the following is not a basic need of most organisms:food, plants, air, or water? plants
What do most of the chemical reactions involved in metabolism require? water
What is a complex carbohydrate manufactured by plants: starch, oil, protein, or hemoglobin? starch
When a duck dives under water, its inner eyelids automatically raise to cover the duck's eyes. In this case, water acts as a... stimulus
The molecule that provides energy for cell processes is... ATP
The subunits of protein are... amino acids
Which of the following is not used by cells for energy storage: fats, oils, carbohydrates, or nucleic acids? nucleic acids
Which of the folowing is not true of proteins:They are a component of spider webs, they are obtained from food, they are the main source of energy for cells, or they supply the building blocks needed to repair tissues? they are the main source of energy for cells
What are all living things made of? one or more cells
What are food, water, air, and a place to live? basic needs of most living things
How much of the human body is water? about 70%
What are hunger, sounds, and light? examples of stimuli
What is DNA? a nucleic acid
What is one thing all living things do: they grow and develop, they stay the same, they shrink as the get older, or they go through five stages? they grow and develop
What is one characteristic that all living things share: They can smell and taste, their cells have DNA, they can move, or they have two or more cells? their cells have DNA
How do people warm up their bodies when they are cold? shiver
What is the passing of traits from parents to offspring called? heredity
Humans like you are what: machines, systems, organisms, or protists? organisms
One benefit of being muticellular is that you have: fewer predators, larger cells, simpler functions, or only one kind of cell? fewer predators
The life span of an organism is... not limited to the life of a single cell
A group of cells with the same function make up what? a tissue
In what kind of tissue does photosynthesis take place? ground tissue
An organ consists of what? two or more tissues
The highest level of organization is what? an organ system
The functions of an organism's parts are related to those parts' structures
What is the smallest unit that can perform all the processes necessary for life? a cell
Robert Hooke and Anton van Leeuwenhoek helped discover cells, but also did what? helped develop the microscope
Which of the following statements is not part of the cell theory: Animals and plants share the same kind of cells, all organisms are made up of one or more cells, the cell is the basic unit of life, or all cells come from existing cells? Animals and plants share the same kinds of cells
Most cells are a very small size because of what? their volume is limited to how large their surface area is
what cell parts supports the cell and might be made of celulose or chitin? cell wall
What part of the cell forms a barrier between the cell and its enviroment? cell membrane
What part of the cell keeps the cell membrane from collapsing? cytoskeleton
ribosomes, the organelles that make protein, are found in the mebranes of the what? endoplasmic reticulum
Energy released by a cell's mitochondrion is stored in what? ATP
What cell parts carry materials between organelles such as the ER and Golgi complex? vesicles
Larger size, longer life, and specialization are three advantages to being what? multicellular organisms
Thefunction of a part of an organism is related to what? the structure of that part
Which statement is not part of the cell theory: all organisms are made of one or more cells, animal and plant cells share the same organelles, the cell is the basic unit of life, or all cells originate from other cells? Animal and plant cells contain the same organelles
A large vesicle that aids in digestion within plant cells the way lysosomes do is called what? a vacuole
Most of a cells ATP is made and stored in the inner membrane of the what? mitochondrion
Specialization in cells makes tissues, organs, and systems: grow larger in size, produce larger cells, work more efficiently, or stay healthy? work more efficiently
What are all organisms made ou of? cells
Where do all cells come from? cells
what protect the inside of a cell from the outside world? cell membrane
How are archaebacteria different from eubacteria? Archaebacteria have different ribosomes
An organelle that is membrane bound is... surrounded by membranes
Protists are a group of organisms that include... both prokaryotes and eukaryotes
The complex sugar cellulose is found in the cell walls of what? plants
Because lipids are hydrophobic and face inward, their ends... keep water inside the cell
The hydropholic ends of a phospholipid faces outward, where they serve to... attract water
What does the Golgi complex in a cell do? It packages and distributes proteins
WHat is the job of a lysosome? to digest food particles
Created by: mreed7