Undergraduate Program in Biological Sciences
SEA students in Professor Vassie Ware's class

The biological sciences include the study of living systems at levels ranging from the structure and function of molecules to the behavior and evolution of communities of organisms. The Department offers four different routes to mastering skills and knowledge in this broad area. The B.A. and B.S. programs in Biology provide a broad introduction to biology with opportunities for students to create a program of study suited to their specific interests. Programs of study focused on particular aspects of biology are the B.A. and B.S. degrees in the areas of Behavioral Neuroscience and Molecular Biology and the B.S. degree in Biochemistry. University and College of Arts and Sciences requirements pertain to all of the majors listed below. 

BA with Major in Biology
BS in Biology 
BA in Behavioral Neuroscience 
BS in Behavioral Neuroscience
BA in Molecular Biology
BS in Molecular Biology
BS in Biochemistry

 

BA in Biology (30 credit hours)

PDF of BA in Biology requirements

College and university requirements for all majors (25 credit hours)

ENGL 1, 2 Composition and Literature (6)
  First Year Seminar (3)
  Social Sciences (8)
  Humanities (8)

Major Requirements

BIOS 41 Biology Core I: Cellular and Molecular (3)
BIOS 42 Biology Core I: Cellular and Molecular Laboratory (1)
BIOS 115 Biology Core II: Genetics (3)
BIOS 116 Biology Core II: Genetics Laboratory (1)
BIOS 121 Biology Core III: Integrative and Comparative (3)
BIOS 122 Biology Core III: Integrative and Comparative Lab (1)
Electives *Biology electives (18)

*Biology electives (no more than 3 credits from the following courses: 161, 261, 262, 391, 393, College scholar project; not BIOS 130), must include one course from List A and one course from List B.

LIST A   LIST B  
BIOS 234 Comparative and Vertebrate Anatomy BIOS 324 Microbiology
BIOS 235 Human Physiology BIOS 328 Immunology
BIOS 241 Vertebrate Natural History BIOS 340 Molecular Basis of Disease
BIOS 276 Central Nervous System & Behavior BIOS 345 Molecular Genetics
BIOS 313 Vertebrate Histology BIOS 347 Advanced Topics in Genetics
BIOS 314 Vertebrate Development BIOS 367 Cell Biology
BIOS 315 Neuropharmacology BIOS 371 Elements of Biochemistry I
BIOS 317 Evolution (BA Biology only) BIOS 372 Elements of Biochemistry II
BIOS 329 Herpetology BIOS 376 Developmental Biology
BIOS 334 Species & Speciation BIOS 381 Physical Biochemistry
BIOS 335 Animal Behavior BIOS 384 Eukaryotic Signal Transduction
BIOS 337 Behavioral Ecology BIOS 386 Genes and the Brain
BIOS 365 Neurobiology of Sensory Systems  
BIOS 366 Diseases of the Nervous System
BIOS 369 Comparative Vertebrate Physiology
BIOS 374 Sex Determination & Difference
BIOS 382 Endocrinology of Behavior
BIOS 385 Synapses, Plasticity and Learning

 

Mathematics (7-8 credit hours)  Collateral Sciences (12 credit hours) 

MATH 51 Survey of Calculus I (4)
MATH 52 Survey of Calculus II (3) or
MATH 12 Basic Statistics (4) or
BIOS 130 Biostatistics (4) 

CHM 30 Introduction to Chemical Principles (4)
CHM 110, 111 Organic Chemistry I and lab (3,1) 
CHM 112, 113 Organic Chemistry II and lab (3,1)

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BS in Biology

PDF of BS in Biology requirements

College and university requirements for all majors (25 credit hours)

ENGL 1, 2 Composition and Literature (6)
  First Year Seminar (3)
  Social Sciences (8)
  Humanities (8)

Major Requirements

BIOS 41 Biology Core I: Cellular and Molecular (3)
BIOS 42 Biology Core I: Cellular and Molecular Laboratory (1)
BIOS 115 Biology Core II: Genetics (3)
BIOS 116 Biology Core II: Genetics Laboratory (1)
BIOS 121 Biology Core III: Integrative and Comparative (3)
BIOS 122 Biology Core III: Integrative and Comparative Lab (1)
BIOS 317 Evolution (3)
Electives *Biology electives (22)

*Biology electives must include two courses from list A, two courses from list B and at least four credits of laboratory experience (e.g. two 2 credit laboratory courses). These will be chosen in consultation with the major advisor.

LIST A   LIST B  
BIOS 234 Comparative and Vertebrate Anatomy BIOS 324 Microbiology
BIOS 235 Human Physiology BIOS 328 Immunology
BIOS 241 Vertebrate Natural History BIOS 340 Molecular Basis of Disease
BIOS 276 Central Nervous System & Behavior BIOS 345 Molecular Genetics
BIOS 313 Vertebrate Histology BIOS 347 Advanced Topics in Genetics
BIOS 314 Vertebrate Development BIOS 367 Cell Biology
BIOS 315 Neuropharmacology BIOS 371 Elements of Biochemistry I
BIOS 317 Evolution (BA Biology only) BIOS 372 Elements of Biochemistry II
BIOS 329 Herpetology BIOS 376 Developmental Biology
BIOS 334 Species & Speciation BIOS 381 Physical Biochemistry
BIOS 335 Animal Behavior BIOS 384 Eukaryotic Signal Transduction
BIOS 337 Behavioral Ecology BIOS 386 Genes and the Brain
BIOS 365 Neurobiology of Sensory Systems    
BIOS 366 Diseases of the Nervous System    
BIOS 369 Comparative Vertebrate Physiology    
BIOS 374 Sex Determination & Difference    
BIOS 382 Endocrinology of Behavior    
BIOS 385 Synapses, Plasticity and Learning    

 

Mathematics (11-12 credit hours)  Collateral Sciences (12 credit hours) 

MATH 21, 22 Calculus I, II (8) or
MATH 51, 52 Survey of Calculus I, II (7) or
BIOS 130 Biostatistics (4) 

CHM 30 , 31 or 40, 41 Introduction to Chemistry I, II (8)
CHM 110, 111 Organic Chemistry I, II (6)
CHM 111, 113 Organic Chemistry Laboratory I, II (2)

PHY 10 General Physics (4) or
PHY 11 Introductory Physics I (4)
PHY 12 Introductory Physics Laboratory I (1)
PHY 13 General Physics II (3) or
PHY 21 Introductory Physics II (3)
PHY 22 Physics Lab II (1)

Recommended B.S. Biology sequence:

Freshman Year

BIOS 41 - Biology Core I: Cellular and Molecular (3)
BIOS 42 - Biology Core I: Cellular and Molecular Laboratory (1)
MATH 51, 52 - Survey of Calculus I, II (7)
CHM 30, 31 - Introductory Chemistry I, II (8)
Dept 90 - First Year Seminar (3)

Sophomore Year BIOS 115 - Biology Core II: Genetics (3)
BIOS 116 - Biology Core II: Genetics Laboratory (1) and/or
BIOS 121 - Biology Core III: Integrative and Comparative (3)
BIOS 122 - Biology Core III: Integrative and Comparative Laboratory (1)
CHM 110, 111, 112, 113 - Organic Chemistry and Laboratory (8)
BIOS 130 - Biostatistics (4)
Junior Year BIOS 115, 116 - Biology Core II: Genetics and Laboratory or
BIOS 121, 122 - Biology Core III: Integrative and Comparative and Laboratory
PHY 10, 12 - General Physics I and Laboratory (5)
PHY 13, 22 - General Physics II and Laboratory (4)
Approved biology electives including two from List A and two from List B (9-12)
Senior Year BIOS 317 - Evolution (3)
Electives - Biology electives including at least four (4) credits of laboratory (10-14)

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BA in Behavioral Neuroscience

PDF of BA in Behavioral Neuroscience requirements

The B.A. in Behavioral Neuroscience is a natural science major for B.A. distribution purposes. 

College and university requirements for all majors (25 credit hours)

ENGL 1, 2 Composition and Literature (6)
  First Year Seminar (3)
  Social Sciences (8)
  Humanities (8)

Major Requirements

Required Major Courses
BIOS 41 Biology Core I: Cellular and Molecular (3)
BIOS 42 Biology Core I: Cellular and Molecular Laboratory (1)
BIOS 115 Biology Core II: Genetics (3)
BIOS 116 Biology Core II: Genetics Laboratory (1)
BIOS 121 Biology Core III: Integrative and Comparative (3)
BIOS 122 Biology Core III: Integrative and Comparative Laboratory (1)
BIOS 276 Central Nervous System and Behavior (3)
BIOS 277 Experimental Neuroscience Laboratory (2) or
BIOS 278 Neurophysiology Laboratory or
BIOS 279 Experimental Molecular Neuroscience Laboratory
BIOS 382 Endocrinology of Behavior (3) 

Advanced Neuroscience Elective (3 credits)
Choose one of the following:
BIOS 365 Neurobiology of Sensory Systems (3)
BIOS 366 Diseases of the Nervous System (3)
BIOS 384 Eukaryotic Signal Transduction (3)
BIOS 385 Synapses, Plasticity and Learning (3)
BIOS 386 Genes and the Brain (3)
BIOS 395 Behavioral Neuroanatomy (3)
BIOS 397 Evolution of Development (3)

Major Electives (6 credits) 
Any 300-level BIOS course (except BIOS 347, 383, 387, 388, 391, or 393) not fulfilling another BNS requirement above.
CHM 31 Chemical Equilibria in Aqueous Systems (4) or
CHM 41 Concepts, Models and Experiments II (4)
PSYC 117 Cognitive Psychology (3)
PSYC 153 Personality (4)
PSYC 176 Mind and Brain (4) 

Math and Science Requirements for the B.A. (23-24 credits) 
MATH 21, 22 Calculus I, II (8) or
MATH 51, 52 Survey of Calculus I, II (7)
BIOS 130 Biostatistics (4)
CHM 30 Introduction to Chemical Principles (4) or
CHM 40 Concepts, Models and Experiments I (4)
CHM 110, 112 Organic Chemistry (6)
CHM 111, 113 Organic Chemistry Laboratory I, II (2)
PSYC 1 Introduction to Psychology (4) 

Other Options  
The B.A. in Behavioral Neuroscience can be structured for a wide variety of possibilities (see listing of recommended elective courses). By using free electives to take additional science, the B.A. also can serve as a pre-professional degree for many graduate and professional schools. Students interested in a particular career-based program should consult their advisor or the program director, Professor Michael Kuchka.

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BS in Behavioral Neuroscience  

PDF of BS in Behavioral Neuroscience requirements

An early commitment to the B.S. is desirable to meet all the requirements of this program.  

College and university requirements for all majors (25 credit hours)

ENGL 1, 2 Composition and Literature (6)
  First Year Seminar (3)
  Social Sciences (8)
  Humanities (8)

Major Requirements

Required Major Courses (27 credits)
BIOS 41 Biology Core I: Cellular and Molecular (3)
BIOS 42 Biology Core I: Cellular and Molecular Laboratory (1)
BIOS 115 Biology Core II: Genetics (3)
BIOS 116 Biology Core II: Genetics Laboratory (1)
BIOS 121 Biology Core III: Integrative and Comparative (3)
BIOS 122 Biology Core III: Integrative and Comparative Laboratory (1)
BIOS 276 Central Nervous System and Behavior (3)
BIOS 277 Experimental Neuroscience Laboratory (2) or
BIOS 278 Neurophysiology Laboratory or
BIOS 279 Experimental Molecular Neuroscience Laboratory
BIOS 382 Endocrinology of Behavior (3) 

Additional biological sciences requirements for the B.S. (8-10 credits) 
BIOS 371, 372 Elements of Biochemistry I & II (6)
BIOS 234 Comparative Vertebrate Anatomy (4) or
BIOS 377 Biochemistry Laboratory (3) or
BIOS 346 Molecular Genetics Laboratory (2). If this course is selected, Molecular Genetics BIOS 345 must be taken as an elective; or
BIOS 368 Cell Biology Laboratory (2). If this course is elected, Cell Biology BIOS 367 must be taken as an elective;
Or one of the following which must be a different course than chosen for Required Major Courses:
BIOS 277 Experimental Neuroscience Laboratory
BIOS 278 Neurophysiology Laboratory
BIOS 279 Experimental Molecular Neuroscience Laboratory

Advanced Neuroscience Elective [Take 2 of the following (6 credits)]
BIOS 365 Neurobiology of Sensory Systems (3)
BIOS 366 Diseases of the Nervous System (3)
BIOS 384 Eukaryotic Signal Transduction (3)
BIOS 385 Synapses, Plasticity and Learning (3)
BIOS 386 Genes and the Brain (3)
BIOS 395 Behavioral Neuroanatomy (3)
BIOS 397 Evolution of Development (3)

Math and Science Requirements for the B.S. (36-38 credits) 
MATH 21, 22 Calculus I, II (8) or
MATH 51, 52 Survey of Calculus I, II (7)
BIOS 130 Biostatistics (4)
CHM 30 Introduction to Chemical Principles (4) and
CHM 31 Chemical Equilibria in Aqueous Systems (4) or
CHM 40 Concepts, Models and Experiments I (4) and
CHM 41 Concepts, Models and Experiments II (4)
CHM 110, 112 Organic Chemistry I, II (6)
CHM 111, 113 Organic Chemistry Laboratory I, II (2)
PHY 10, 12 General Physics I and Laboratory (5) or 
PHY 11, 12 Introductory Physics I and Laboratory (5)
PHY 13, 22 General Physics II and Laboratory (4) or 
PHY 21, 22 Introductory Physics II and Laboratory (5)
PSYC 1 Introduction to Psychology (4) 

Major Electives (6 credits) 
Any 300-level BIOS course (except BIOS 347, 383, 387, 388, 391, or 393) not fulfilling another BNS requirement above.
PSYC 117 Cognitive Psychology (3)
PSYC 153 Personality (4)
PSYC 176 Mind and Brain (4) 

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BA in Molecular Biology 

PDF of BA in Molecular Biology requirements

College and university requirements for all majors (25 credit hours)

ENGL 1, 2 Composition and Literature (6)
  First Year Seminar (3)
  Social Sciences (8)
  Humanities (8)

Major Requirements

Biology (34-35 credit hours) 
BIOS 41, 42 Biology Core I: Cellular and Molecular (3) and Lab (1)
BIOS 115, 116 Biology Core II: Genetics (3) and Lab (1)
BIOS 121, 122 Biology Core III: Integrative and Comparative (3) and Lab (1)
BIOS 324 Microbiology (3) or
BIOS 328 Immunology (3) or
BIOS 353 Virology (3)
BIOS 325 Bacteriology Lab (2) or
BIOS 368 Cell Biology Lab (2) or
BIOS 377 Biochemistry Lab (3)
BIOS 371 Elements of Biochemistry I (3)
BIOS 345, 346 Molecular Genetics (3) and Lab (2) 
BIOS 367 Cell Biology (3) 
BIOS approved electives (6 credit hours)

Mathematics (7-8 credit hours) 
MATH 21, 22 Calculus I, II (8) or
MATH 51, 52 Survey of Calculus I, II (7) 

Chemistry (16 credit hours) 
CHM 30 Introduction to Chemical Principles (4)
CHM 31 Chemical Equilibria in Aqueous Systems (4)
CHM 110, 111, 112, 113 Organic Chemistry I, II and Lab I, II (8) 

Physics (9 credit hours) 
PHY 10, 12 General Physics I and Lab I (5) or
PHY 11, 12 Introductory Physics I and Lab (5)
PHY 13, 22 General Physics II and Lab (4)
PHY 21, 22 Introductory Physics II and Lab (4)

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BS in Molecular Biology 

PDF of BS in Molecular Biology requirements

College and university requirements for all majors (25 credit hours)

ENGL 1, 2 Composition and Literature (6)
  First Year Seminar (3)
  Social Sciences (8)
  Humanities (8)

Major Requirements

Mathematics (11-12 credit hours) 
MATH 21, 22 Calculus I, II (8) or
MATH 51, 52 Survey of Calculus I, II (7)
BIOS 130 Biostatistics (4)

Chemistry (16 credit hours) 
CHM 30 Introduction to Chemical Principles (4)
CHM 31 Chemical Equilibria in Aqueous Systems (4) 
CHM 110, 112 Organic Chemistry I, II (6) 
CHM 111, 113 Organic Chemistry Laboratory (2) 

Physics (9-10 credit hours) 
PHY 10 (or 11) General Physics I (4)
PHY 12 Introductory Physics Laboratory I (1)
PHY 13 (or 21) General Physics II (3 or 4)
PHY 22 Physics Lab II (1) 

Biology (46-47 credit hours) 
BIOS 41, 42 Biology Core I: Cellular and Molecular (3) and Lab (1)
BIOS 115, 116 Biology Core II: Genetics (3) and Lab (1)
BIOS 121, 122 Biology Core III: Integrative and Comparative (3) and Lab (1)
BIOS 324 Bacteriology (3) or
BIOS 328 Immunology (3) or
BIOS 353 Virology (3)
BIOS 325 Microbiology Lab (2) or
BIOS 368 Cell Biology Lab (2) or
BIOS 377 Biochemistry Lab (3)
BIOS 371 Elements of Biochemistry I (3)
BIOS 372 Elements of Biochemistry II (3) 
BIOS 345, 346 Molecular Genetics (3) and Lab (2) 
BIOS 367 Cell Biology (3) 
BIOS 381 Physical Biochemistry (3) 
BIOS approved Molecular Biology electives (12 credit hours)


Recommended sequence for the B.S. in Molecular Biology

Freshman Year

BIOS 41 - Biology Core I: Cellular and Molecular (3)
BIOS 42 - Biology Core I: Cellular and Molecular Laboratory (1)
MATH 21, 22 - Survey of Calculus I, II (7)
CHM 30
- Introduction to Chemical Principles (4)
CHM 31 - Chemical Equilibria in Aqueous Systems (4)

Sophomore Year BIOS 115 - Biology Core II: Genetics (3)
BIOS 116 - Biology Core II: Genetics Laboratory (1)
CHM 110, 111, 112, 113 - Organic Chemistry and Laboratory (8)
PHY 10, 12 - General Physics I and Lab (5)
PHY 13, 22 - General Physics II and Lab (4)
Junior and Senior Years BIOS 121, 122 - Biology Core III: Integrative and Comparative and Laboratory
BIOS 324 - Bacteriology (3) or
BIOS 328 - Immunology (3) or
BIOS 353 - Virology (3)
BIOS 325 - Bacteriology Laboratory (2) or
BIOS 368 - Cell Biology Laboratory (2) or
BIOS 377 - Biochemistry Laboratory (3)
BIOS 345 - Molecular Genetics (3)
BIOS 346 - Molecular Genetics Laboratory (2)
BIOS 371, 372 - Elements of Biochemistry I, II (6)
BIOS 367 - Cell Biology (3)
BIOS 381 - Physical Biochemistry (3)
BIOS Approved Molecular Biology Electives (12)

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BS in Biochemistry  

PDF of BS in Biochemistry requirements

An interdepartmental B.S. biochemistry major is offered in the College of Arts and Sciences. The B.S. in biochemistry degree is managed by an interdepartmental committee composed of biochemists, bioorganic chemists, and molecular/cellular biologists. The committee administers the degree, monitors the academic program, provides research possibilities, and advises student majors. The director of the program is currently Linda J. Lowe-Krentz. Faculty in both Biological Sciences and Chemistry serve as advisors.

Majors should be declared in Biological Sciences. 

College and university requirements for all majors (25 credit hours)

ENGL 1, 2 Composition and Literature (6)
  First Year Seminar (3)
  Social Sciences (8)
  Humanities (8)

Major Requirements

Collateral Science Requirements (at least 24)
PHY 10, 12 General Physics I and Laboratory (5)
PHY 13, 22 General Physics II and Laboratory (4)
MATH 21, 22, 23 Calculus I, II, III (12) or
MATH 51, 52, 43 Survey of Calculus I, II (7), Linear Algebra (3) and a statistics course
CSE 12 Survey of Computer Science (3) or
ENGR 1 Engineering I (3)

Required Chemistry Courses (25)
CHM 40, 41 Concepts, Models and Experiments I, II (8) or
CHM 30, 31 Introduction to Chemical Principles I, II (8)
CHM 110, 111, 112, 113 Organic Chemistry (8)
CHM 307 Inorganic Chemistry (3)
CHM 194 Physical Chemistry (3)
CHM 332 Analytical Chemistry (3)

Required Biological Sciences courses (25 minimum)
BIOS 41, 42 Biology Core I: Cellular and Molecular (3) and Lab (1)
BIOS 115 Biology Core II: Genetics (3)
BIOS 371, 372 Elements of Biochemistry I (3), II (3),
BIOS 377 Biochemistry Lab (3)
  Advanced Laboratory* (4)
  Electives in Biological Sciences* (3 hours minimum)
  Technical Writing* (2 hours minimum)

*Chosen with the approval of adviser

 

Model Pattern Roster  

Freshman Year

BIOS 41 - Biology Core I: Cellular and Molecular (3)
BIOS 42 - Biology Core I: Cellular and Molecular Laboratory (1)
MATH 21, 22 - Calculus I, II (8) or
MATH 51, 52 - Survey of Calculus I and II (7)
CHM 40, 41
- Concepts, Models and Experiments I and II (8)
Dept 90 College Seminar (3)
ENGL 1,2 Composition and Literature (6)
PHY 10, 12 General Physics I and Laboratory (5) or
PHY 11, 12 Introductory Physics I and Laboratory (5)

Sophomore Year

BIOS 115 - Biology Core II: Genetics (3)
BIOS 130 Biostatistics*
CHM 110, 111, 112, 113 - Organic Chemistry and Laboratory (8)
PHY 13, 22 - General Physics II and Lab (4) or
PHY 21, 22 - Introductory Physics II and Laboratory (4)
MATH 23 - Calculus III or
MATH 43 - Linear Algebra (3)

*A statistics course from the MATH department could also fulfill the statistics requirement 

Junior Year

BIOS 371, 372 - Elements of Biochemistry I and II (6)
BIOS 377 - Biochemistry Laboratory (3)
CHM 194 Physical Chemistry for Biological Sciences (3) 
CHM 332 Analytical Chemistry (3)  
CSE 12 Survey of Computer Science (3)
Technical Writing (2) 

Senior Year BIOS Advanced laboratory course(s)
BIOS elective
CHM 307 - Advanced Inorganic Chemistry (3)

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Biological Sciences
111 Research Drive
Bethlehem, PA 18015
Phone: 610-758-3680
Fax: 610-758-4004
Email: inbios@lehigh.edu

 



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