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From Atoms to Organisms/Up and Atom Review Flashcards | StudBud
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From Atoms to Organisms/Up and Atom Review
From Atoms to Organisms/Up and Atom Review
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Atoms, molecules, and periodic table; cells, tissues, organs, organ systems, organims (hierarchical
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1
Which of these statments best describe a molecule?
All molecules must have at least three different atoms.
All molecules are composed of two or more atoms.
All molecules must have two different elements.
All molecules must contain carbon and oxygen.
2
Carbohydrates are made of 3 of the 6 major elements found in living things. These elements are:
Chlorine, oxygen, and carbon
Carbon, hydrogen, and oxygen
Carbon, helium, and oxygen
Copper, cobalt, and hydrorgen
3
Carbon has an atomic number of 6. What does the atomic number 6 tell you about carbon?
the average atomic mass of a carbon atom
the number of protons in a carbon atom
the group number of carbon
4
An atom of the element carbon has 6 protons. If an atom has 2 more protons than carbon, it is:
Oxygen
Helium
a molecule
impossible to know from the information given
5
Sodium (Na) and chlorine (Cl) atoms bond to make table salt (NaCl). What is table salt?
It is a cell
It is an atom
It is a compound
It is an element
6
This molecule does not mix with water. Based on that fact, what can we include about it?
It is a nucleic acid.
It is a lipid.
It is a molecule.
It is a protein.
7
DNA stores genetic information. What type of molecule is DNA?
Protein
Nucleic acid
Carbohydrate
Lipid
8
Carbon monoxide is a poisonous gas made of one carbon and one oxygen atom. Its properties are:
half properties of carbon and half properties of oxygen
a unique set of properties different than carbon or oxygen
the same properties as all gases made of carbon and oxygen
mostly properties of carbon and a few properties of oxygen
9
Which of the molecules shown is also a compound?
Oxygen gas
Oxygen gas, water, and glycine
Oxygen gas and water
Water and glycine
10
This is a nutrition label from a jar of peanut butter. Peanut butter is a source of lipids.
25%
8%
2%
16%
11
To compare sizes of subatomic particles, if the proton is a basketball the electron will be a:
golf ball
bowling ball
beach ball
soccer ball
12
What do elements in the same group of the Periodic Table of Elements have in common?
They have similar chemical symbols.
They have the same average atomic mass.
They have similar chemical properties.
They have the same atomic number.
13
Which things at the playground are made of atoms of elements?
the trees and the grass
the swing set, slide, and seesaw
the air and the rock
everything
14
Which of these is the smallest unit of living things?
atoms
molecules
cells
compounds
15
Which is the correct sequence of organization in a multi-cellular organism?
Cell → tissue → organ → organ system
Tissue → cell → organ → organ system
Cell → tissue → organ system → organ
Organ system → cell → tissue → organ
16
The table shows the number of each type of atoms found in two compounds. What can you conclude?
Different combinations of elements make different compounds.
An infinite number of elements are needed to make substances
The two compounds are not composed of simpler substances.
Only carbon, hydrogen, & oxygen atoms make compounds.
17
Lydia's science book shows this diagram of a compound. Why is this a compound?
It has only one kind of atom
It is a cell
it has different kinds of atoms
It is an atom
18
One of the main molecules found in cells are amino acids. Amino acids are found in:
proteins
carbohydrates
nucleic acids
lipids
19
Groups of similar types of cells that work together to carry out specific tasks are ...
Tissues
Organs
Stem cells
Organ systems
20
In which area of the periodic table are the materials that make jewelry?
among the noble gases
among the nonmetals
among the metals
among the metalloids
