
____________________ make up the nucleus of an atom.
- Protons and electrons
- Protons and neutrons
- Protons, neutrons, and electrons
- Neutrons and electrons
- Electrons

Introduction:
All organisms and things around us are made from matter and matter is composed of atoms and molecules. Atoms combine together to make molecules and hence atoms are the fundamental units of matter. Atoms are further made up of three subatomic particles known as electrons, protons and neutrons.
Answer to Problem 1TY
Option (b) protons and neutrons.
Explanation of Solution
Explanation/justification for the correct answer:
Option (b) protons and neutrons. The protons and neutrons are present in the nucleus and make up the atomic mass of the atom. The electrons move around in the orbitals surrounding the atom and do not form a part of the nucleus. So, the correct answer is option (b).
Explanation for incorrect answer:
Option (a) Protons and electrons. The electrons are present in the orbitals that surround the nucleus of the atom. They are not present in the nucleus. So, this is an incorrect option.
Option (c) protons, neutrons and electrons. The protons and neutrons make up the nucleus of the atom but the electrons do not. So, this is an incorrect answer.
Option (d) neutrons and electrons. The neutrons are present in the nucleus of an atom but electrons are not. So, this is an incorrect answer.
Option (e) electrons. Electrons are present in the orbitals of an atom and not in the nucleus. So, this is an incorrect answer.
Want to see more full solutions like this?
Chapter 2 Solutions
EBK PRINCIPLES OF BIOLOGY
- Briefly state the physical meaning of the electrocapillary equation (Lippman equation).arrow_forwardExplain in a small summary how: What genetic information can be obtained from a Punnet square? What genetic information cannot be determined from a Punnet square? Why might a Punnet Square be beneficial to understanding genetics/inheritance?arrow_forwardIn a small summary write down:arrow_forward
- Not part of a graded assignment, from a past midtermarrow_forwardNoggin mutation: The mouse, one of the phenotypic consequences of Noggin mutationis mispatterning of the spinal cord, in the posterior region of the mouse embryo, suchthat in the hindlimb region the more ventral fates are lost, and the dorsal Pax3 domain isexpanded. (this experiment is not in the lectures).a. Hypothesis for why: What would be your hypothesis for why the ventral fatesare lost and dorsal fates expanded? Include in your answer the words notochord,BMP, SHH and either (or both of) surface ectoderm or lateral plate mesodermarrow_forwardNot part of a graded assignment, from a past midtermarrow_forward
- Biology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStaxConcepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax College
- Principles Of Radiographic Imaging: An Art And A ...Health & NutritionISBN:9781337711067Author:Richard R. Carlton, Arlene M. Adler, Vesna BalacPublisher:Cengage LearningBiology Today and Tomorrow without Physiology (Mi...BiologyISBN:9781305117396Author:Cecie Starr, Christine Evers, Lisa StarrPublisher:Cengage LearningBiology (MindTap Course List)BiologyISBN:9781337392938Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. BergPublisher:Cengage Learning




