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Unit 1: Biology Basics Flashcards | StudBud
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Unit 1: Biology Basics
Unit 1: Biology Basics
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1
When placed in water, oil does not dissolve and stays separate. This means oil is ___ and ___.
hydrophobic and nonpolar
hydrophilic and polar
hydrophilic and nonpolar
hydrophobic and polar
2
What is this?
Test Tube
Beaker
Erlenmeyer flask
Graduated Cylinder
3
What is the name of this object and what is it used for?
measuring
Beaker
Erlenmeyer Flask
Heating/mixing
4
The monomer of a Nucleic Acid is:
DNA and RNA
Monosacharide
Nucleotide
Peptide
5
Miss Bell needs 10 mL of deconditioner for water for her fish tank. Which tool will give the most precise measurement?
Test Tube
Graduated Cylinder
Flask
Beaker
6
When placed in water, salt dissolves and becomes a homogenous mixture. This means salt is ___ and ___.
hydrophilic and polar
hydrophobic
hydrophobic and polar
hydrophilic and nonpolar
7
What is this?
Erlenmeyer flask
Test Tube
Graduated Cylinder
Beaker
8
Animals store most of their excess energy reserves as _______ because...
fat; they store twice as much energy per gram.
protein; it is a compact source of energy in their bodies
carbohydrates; they store twice as much energy per gram of glucose.
glucose; it is easy to break down.
9
What is the name of this object and what is it used for?
Graduated Cylinder
Measuring
Heating/Mixing
Erlenmeyer Flask
10
What is the name of this object and what is it used for?
Chemical reactions
Graduated Cylinder
Test Tube
Heating/Mixing
11
The macromolecules that make up the majority of the cell membrane’s structure are?
Protiens
Carbohydrates
Lipids
Nucleic Acids
12
Which of the measurements below is the most accurate?
Beaker 48 mL
Graduated Cylinder 97 mL
Beaker 50 mL
Erlenmyer Flask 250 mL
13
Which piece of equipment is NOT usseful to transfer a liquid from one container to another?
graduated cylinder
beaker
funnel
petri dish
14
What do we call the "effect" in a cause and effect based experiment?
constant
control group
independent variable
dependent variable
15
Which of these are NEVER used for making measurements?
Graduated Cylinder
Erlenmeyer flask
Beaker
Test Tube
16
Which of the following terms represents the most basic unit of a living thing?
Atom
Molecule
Matter
Cell
17
Which of the following terms represents more than one atom connected together via a chemical bond?
Molecule
Matter
Cell
Atom
18
What property of water causes a meniscus to form on graduated cylinders?
Cohesion
Adhesion
19
Which Macromolecule do you get ONLY from your parents not your food?
Lipids
Nucleic Acids
Carbohydrates
Proteins
20
In a hypothesis the ___ variable is what is being tested, while the ___ variable is the one being measured in response?
independent; control
independent; dependent
dependent; independent
control; dependent
21
Which of the following terms represents the smallest part of an element that still has the properties of that element?
Cell
Atom
Matter
Molecule
22
What is the name of this object and what is it used for?
Heating/Mixing
Graduated Cylinder
Erlenmeyer Flask
Measuring
23
If available, the body will always digest which macromolecule for energy first?
Lipids
Carbohydrates
Protiens
Nucleic Acids
24
We obtain all of the macromolecules from the food that we eat except for?
Protiens
Carbohydrates
Nucleic Acids
Lipids
25
What is this?
Erlenmeyer flask
Graduated Cylinder
Beaker
Test Tube
26
The cell membrane is
mostly
an example of which macromolecule?
Proteins
Carbohydrates
Nucleic Acids
Lipids
27
Which measurement is the most precise?
Beaker 48 mL
Beaker 400 mL
Graduated Cylinder 80.6 mL
Erlenmeyer flask 325 mL
28
Life can exist under frozen surfaces in polar seas because...
water is a terrific solvent.
water has a high specific heat.
water is less dense as a solid.
water has high surface tension.
29
What must be considered when designing a solution for a problem with technology?
Cost
Materials
Time
All of these.
30
Which of the following terms represents something that has mass and occupies space?
Matter
Atom
Cell
Molecule
31
Insulin and Hemoglobin is an example of which macromolecule?
Proteins
Carbohydrates
Lipids
Nucleic Acids
32
The macromolecules that would most likely be involved in contracting muscles would be?
Carbohydrates
Lipids
Protiens
Nucleic Acids
33
What property of water causes a surface tension? Think of the bubble of water on the pennies experiment?
Adhesion
Cohesion
34
Which category of carbon-based molecules includes sugars and starches?
Nucleic Acids
Protiens
Carbohydrates
Lipids
35
What is this?
Graduated Cylinder
Erlenmeyer flask
Test Tube
Beaker
