Biology 109 Exam#1 2024/2025 Exam
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What are the characteristics of life? - 🧠ANSWER ✔✔All lfe is organized
All life grows and develops
All life reproduces
All life responds to stimuli
All life processes energy
All life adapts
All life is homeostatic
List the steps to the scientific method. - 🧠ANSWER ✔✔make an
observation,
comeup with a question,
form a hypothesis,
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,collect and analyze data,
conclusion.
What is atomic mass? - 🧠ANSWER ✔✔number of protons and number of
neutrons
What is the atomic number? - 🧠ANSWER ✔✔the number of protons and
electrons
What is an ion? - 🧠ANSWER ✔✔an element or compound with an
electrical charge
What are the types of ions?
What is their charge? - 🧠ANSWER ✔✔Cation: positive ion resulting from
the loss of electrons
Anion: negative ion resulting from a gaining of electrons
What is an isotope? - 🧠ANSWER ✔✔an element with a charge in the
number of neutrons
What are the types of chemical bonds? - 🧠ANSWER ✔✔Ionic Bond: the
bonding of opposite ions.
Covalent Bond: a bond resulting from the sharing of electrons.
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, Hydrogen Bond: the bonding of hydrogen to another element.
List the types of particles and their charge. - 🧠ANSWER ✔✔Protons: (+)
charge; 1 amu
Electrons: (-) charge; 0 amu
Neutrons: zero charge; 1 amu
List the properties of water. - 🧠ANSWER ✔✔Water is sticky,
Universal solvent,
Ice is less dense than liquid water,
Water can fliter UV radiation,
Water remains a liquid over a wide temperature range,
Moderate pH.
List the difference between cohesion and adhesion. - 🧠ANSWER
✔✔Cohesion: water molecules bonding to each other
Adhesion: water molecules bonding to other polar molecules
The difference in pH units between 2 acidic solutions is 3. How much more
acidic is the stronger acid than the weaker acid? - 🧠ANSWER ✔✔1000
more acidic
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STATEMENT. ALL RIGHTS RESERVED
Questions with Detailed Verified
Answers (100% Correct Answers) |
Already Graded A+
What are the characteristics of life? - 🧠ANSWER ✔✔All lfe is organized
All life grows and develops
All life reproduces
All life responds to stimuli
All life processes energy
All life adapts
All life is homeostatic
List the steps to the scientific method. - 🧠ANSWER ✔✔make an
observation,
comeup with a question,
form a hypothesis,
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
1
STATEMENT. ALL RIGHTS RESERVED
,collect and analyze data,
conclusion.
What is atomic mass? - 🧠ANSWER ✔✔number of protons and number of
neutrons
What is the atomic number? - 🧠ANSWER ✔✔the number of protons and
electrons
What is an ion? - 🧠ANSWER ✔✔an element or compound with an
electrical charge
What are the types of ions?
What is their charge? - 🧠ANSWER ✔✔Cation: positive ion resulting from
the loss of electrons
Anion: negative ion resulting from a gaining of electrons
What is an isotope? - 🧠ANSWER ✔✔an element with a charge in the
number of neutrons
What are the types of chemical bonds? - 🧠ANSWER ✔✔Ionic Bond: the
bonding of opposite ions.
Covalent Bond: a bond resulting from the sharing of electrons.
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
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STATEMENT. ALL RIGHTS RESERVED
, Hydrogen Bond: the bonding of hydrogen to another element.
List the types of particles and their charge. - 🧠ANSWER ✔✔Protons: (+)
charge; 1 amu
Electrons: (-) charge; 0 amu
Neutrons: zero charge; 1 amu
List the properties of water. - 🧠ANSWER ✔✔Water is sticky,
Universal solvent,
Ice is less dense than liquid water,
Water can fliter UV radiation,
Water remains a liquid over a wide temperature range,
Moderate pH.
List the difference between cohesion and adhesion. - 🧠ANSWER
✔✔Cohesion: water molecules bonding to each other
Adhesion: water molecules bonding to other polar molecules
The difference in pH units between 2 acidic solutions is 3. How much more
acidic is the stronger acid than the weaker acid? - 🧠ANSWER ✔✔1000
more acidic
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
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STATEMENT. ALL RIGHTS RESERVED
