BI 121 (Lecture) Exam 1 – GRCC questions with
verified answers
(M) mRNA Ans✓✓✓ (M) messaging RNA (codon)
(R) rRNA Ans✓✓✓ (R) ribosomal RNA (anti-codon and amino acids)
(T) tRNA Ans✓✓✓ (T) transfer RNA (anit-codon and amino acids)
1. Solvent
2. Solute Ans✓✓✓ What is a solution composed of?
1. Temperature
2. Molecule size
3. Membrane permeability
4. Concentration Gradient
5. Polarity Ans✓✓✓ What are the factors that affect the rates of
diffusion?
4 major organic molecules Ans✓✓✓ 1.carbohydrates
2.lipids
3.proteins
4.nucleic acids
,A + B ----------> AB Ans✓✓✓ Synthesis Reaction
AB ---------> A +B Ans✓✓✓ Decomposition Reaction
AB + CD --------> AD + CB Ans✓✓✓ Exchange Reaction
AB <----------> A + B Ans✓✓✓ Reversible Reaction
acid Ans✓✓✓ a soulte that ADDS hydrogen ions to a solution
acidic Ans✓✓✓ pH less than 7
higher H+ concentration
Low OH- concentration
activation energy Ans✓✓✓ the amount of energy needed to get a
reaction started
Active Transport Ans✓✓✓ require ATP/energy - move substances
AGAINST concentration gradient (from low to high concentrations)
aerobic metabolism Ans✓✓✓ Metabolism that can proceed only in the
presence of oxygen.
, Anabolic Metabolism Ans✓✓✓ Synthesis of larger molecules from
smaller
Anaphase Ans✓✓✓ Chromatids are pulled apart
Anatomy Ans✓✓✓ The study of the structure of an organism (form)
Anion Ans✓✓✓ A negatively charged ion
Anterior (Ventral) Ans✓✓✓ front of the body
Atomic Number Ans✓✓✓ Number of protons
Same for all atoms of a particular element
Unique for each element
Atoms Ans✓✓✓ The building blocks of matter. Made up of protons,
electrons, and neutrons.
ATP (Adensosine Triphosphate) Ans✓✓✓ Modified RNA nucleotide
used for cellular energy
base Ans✓✓✓ a soulte that REMOVES hydrogen from a soultion
verified answers
(M) mRNA Ans✓✓✓ (M) messaging RNA (codon)
(R) rRNA Ans✓✓✓ (R) ribosomal RNA (anti-codon and amino acids)
(T) tRNA Ans✓✓✓ (T) transfer RNA (anit-codon and amino acids)
1. Solvent
2. Solute Ans✓✓✓ What is a solution composed of?
1. Temperature
2. Molecule size
3. Membrane permeability
4. Concentration Gradient
5. Polarity Ans✓✓✓ What are the factors that affect the rates of
diffusion?
4 major organic molecules Ans✓✓✓ 1.carbohydrates
2.lipids
3.proteins
4.nucleic acids
,A + B ----------> AB Ans✓✓✓ Synthesis Reaction
AB ---------> A +B Ans✓✓✓ Decomposition Reaction
AB + CD --------> AD + CB Ans✓✓✓ Exchange Reaction
AB <----------> A + B Ans✓✓✓ Reversible Reaction
acid Ans✓✓✓ a soulte that ADDS hydrogen ions to a solution
acidic Ans✓✓✓ pH less than 7
higher H+ concentration
Low OH- concentration
activation energy Ans✓✓✓ the amount of energy needed to get a
reaction started
Active Transport Ans✓✓✓ require ATP/energy - move substances
AGAINST concentration gradient (from low to high concentrations)
aerobic metabolism Ans✓✓✓ Metabolism that can proceed only in the
presence of oxygen.
, Anabolic Metabolism Ans✓✓✓ Synthesis of larger molecules from
smaller
Anaphase Ans✓✓✓ Chromatids are pulled apart
Anatomy Ans✓✓✓ The study of the structure of an organism (form)
Anion Ans✓✓✓ A negatively charged ion
Anterior (Ventral) Ans✓✓✓ front of the body
Atomic Number Ans✓✓✓ Number of protons
Same for all atoms of a particular element
Unique for each element
Atoms Ans✓✓✓ The building blocks of matter. Made up of protons,
electrons, and neutrons.
ATP (Adensosine Triphosphate) Ans✓✓✓ Modified RNA nucleotide
used for cellular energy
base Ans✓✓✓ a soulte that REMOVES hydrogen from a soultion
