Parts of the Cell
Which part of the cell controls what enters and leaves the cell?
A) Cytoplasm
B) Nucleus
C) Cell membrane
D) Mitochondria
What is C) Cell membrane
What does the atomic number of an element tell you?
A) Its mass
B) The number of protons
C) The number of neutrons
D) The number of atoms in a molecule
What is B) The number of protons
Which of these is a lipid?
A) Starch
B) DNA
C) Fat
D) Hemoglobin
What is C) Fat
Which best defines an element?
A) A substance made of two or more atoms
B) A liquid chemical that changes shape
C) A pure substance made of one type of atom
D) A compound used in experiments
What is C) A pure substance made of one type of atom
Which blood cells carry oxygen but do not have a nucleus?
A) White blood cells
B) Platelets
C) Red blood cells
D) Stem cells
What are C) Red blood cells
Which part of the cell helps digest waste and damaged cell parts using enzymes?
A) Lysosome
B) Vacuole
C) Endoplasmic reticulum
D) Centriole
What is A) Lysososome
Which subatomic particle has a positive charge?
A) Neutron
B) Proton
C) Electron
D) Nucleus
What is B) Proton
Which macromolecule stores genetic information?
A) Protein
B) Lipid
C) Carbohydrate
D) Nucleic acid
What is D) Nucleic acid
Which of the following correctly lists the three main types of radiation released during radioactive decay?
A) Alpha, beta, delta
B) Proton, neutron, gamma
C) Alpha, beta, gamma
D) Electron, photon, neutrino
What is C) Alpha, beta, gamma
When might a doctor order a PET scan for a patient?
A) To fix a broken bone
B) To see how tall the patient is
C) To detect cancer, tumors, or metastasis
D) To check if the patient has a cold
What is C) To detect cancer, tumors, or metastasis
What is the main difference between the smooth ER and the rough ER?
A) Only smooth ER makes proteins
B) Rough ER has ribosomes, smooth ER does not
C) Smooth ER is only found in bacteria
D) Rough ER stores DNA
What is B) Rough ER has ribosomes, smooth ER does not
Where are electrons found in an atom?
A) In the nucleus
B) Attached to neutrons
C) Floating in the cytoplasm
D) In the electron cloud outside the nucleus
What is D) In the electron cloud outside the nucleus
Which of the following is a macromolecule used to build body tissues like muscles?
A) Carbohydrates
B) Proteins
C) Nucleic acids
D) Lipids
What is B) Proteins?
The atomic number of oxygen is 8. What does this number tell you?
A) It has 8 neutrons
B) It weighs 8 grams
C) It has 8 protons
D) It is in group 8 on the periodic table
What is C) It has 8 protons ✅
What do you have more of in your body: human cells or bacteria?
A) Human cells
B) Bacteria
What is B) Bacteria
Which structure is found in plant cells but not in animal cells and gives the cell its rigid shape?
A) Plasma membrane
B) Cytoplasm
C) Chloroplast
D) Cell wall
What is D) Cell Wall
Which two particles are found in the nucleus of an atom?
A) Electrons and neutrons
B) Protons and neutrons
C) Protons and electrons
D) Neutrons and quarks
What is B) Protons and neutrons
What is the main function of carbohydrates?
A) Store genetic info
B) Build cell walls
C) Provide quick energy
D) Help carry oxygen
What is C) Provide quick energy
What makes one isotope of an element different from another?
A) Number of protons
B) Number of electrons
C) Number of neutrons
D) Number of atoms in the element
What is C) Number of neutrons
How many skin cells does the average person shed every year?
A) About 1 pound
B) About 4 pounds
C) Less than a cup
D) None, skin doesn’t she
What is B) About 4 pounds
What is the function of the Golgi Apparatus?
A) Break down waste in the cell
B) Control what enters and exits the cell
C) Modify, package, and ship proteins
D) Produce energy for the cell
What is C) Modify, package, and ship proteins
What is a subshell in an atom?
A) A space where neutrons are stored
B) A region in the nucleus where electrons spin
C) A division of an electron shell that holds specific orbitals
D) A shell of atoms stuck to the outside of an element
What is C) A division of an electron shell that holds specific orbitals
Which of the following macromolecules is made of subunits that include a sugar, a phosphate group, and a nitrogen base?
A) Protein
B) Carbohydrate
C) Lipid
D) Nucleic acid
What is D) Nucleic Acid
Normal iodine (Iodine-127) is used by the thyroid gland to make hormones that are essential for growth and metabolism. You discover a version called iodine-131, which can be used in medical imaging and cancer treatments. What is iodine-131?
A) An ion
B) A noble gas
C) A radioisotope
D) A compound
What is C) A radioisotope
Which internal organ can regenerate even if more than half is removed?
A) Brain
B) Stomach
C) Liver
D) Pancreas
What is C) Liver