Bio 120 Study guides, Class notes & Summaries

BIO 120 Module 1 Questions with Correct Answers Graded A+ proteins Ribosomes are responsible for the synthesis of carboxyl Amino acids are acids because they always possess which functional group? sulfur-32 (atomic number Q: Phosphorus-32, a radioactive isotope of phosphorus-31 (atomic number Q:, undergoes a form of radioactive decay whereby a neutron turns into a proton and emits radiation in the form of an electron. What is the product of such radioactive decay of phosphorus-32? 15...

Bio 120 Chapter 1 2024 QUESTIONS WITH DETAILED VERIFIED ANSWERS | A+ GRADE ASSURED Biologythe scientific study of life Evolutionprocess of change over time~ change in gene frequency overtime... measured in generations What are the 5 unifying themes of biology?organization, information, energy and matter, interactions, evolution Theme: Organization-Living things are organized all living things share certain characteristics -Both living and nonliving things are ultimately composed of atom...

Bio 1201 exam 2 Gregg latest update graded A+ transport proteins are responsible for controlling passage across the membrane fluid mosaic model The membrane is a mosaic of protein molecules bobbing in a fluid bilayer of phospholipids fatty acid tails nonpolar, hydrophobic fatty acid heads hydrophilic, polar periphial proteins bound to the surface of the membrane integral proteins penetrate the hydrophobic core (ones that span the membrane are transmembrane protiens How ...

BIO 120 - CMB 155 Chapters 1-5 2024 QUESTIONS WITH DETAILED VERIFIED ANSWERS | A+ GRADE ASSURED What is a macromolecule? molecules made from smaller joining subunits What are the building blocks of macromolecules? monomers How are macromolecules synthesized (made)? dehydration synthesis Dehydration Synthesis A chemical reaction in which two molecules covalently bond to each other with the removal of a water molecule. How are macromolecules/polymers broken down? Hydrolysis Hydrolysis Brea...

Bio 1201 Gregg exam 3 questions and answers rated A+ the units of heredity and are made up of segments of DNA genes how many chromosomes do humans have in the nucleus of their somatic cells? 46 chromosomes (23 pairs) the two chromosomes in each pair are called... homologous chromosomes/homologs each pair of homologous chromosomes includes... one chromosome from each parent what does meiosis result in 4 haploid daughter cells what does meiosis 1 do separates homologous chrom...

BIO 1201 - MORONEY - EXAM 1 SAMPLE/QUIZ 1 WITH COMPLETE SOLUTIONS Which statement about *ALL* living things is true? a. all living things are capable of sight b. all living things have a nervous system of some sort c. all living things are capable of reproduction d. all of the above e. non of the above C Compared to 40^K, the isotope 39^K has a. a different atomic number b. one less neutron c. one less proton d. one less electron e. one less proton and one less electron B...

LSU Bio 1201 exam 2 Questions and Answers 100% Pass why are membranes called phospholipid bilayers? phospholipids have hydrophilic head and hydrophobic tail, hydrophobic face inside of cell making 2 layers what is meant by fluid mosaic? Mosaic of proteins drifting laterally in fluid bilayer of phospholipids how are membranes adjusted for different temperatures? membrane fluidity adjusted by changing the ratio of unsaturated to saturated fatty acids how do the relative amounts o...

Bio 1201 Exam 1 Gregg Questions and Answers Graded A+ Matter consists of chemical elements in pure form and in combinations called ______________. Compounds ______________ consists of chemical elements in pure form and in combinations called compounds. Matter Matter consists of ________________ in pure form and in combinations called compounds. Chemical elements Organisms are composed of _____________. Matter _______________ is anything that takes up space and has mass. Matt...

Which statement about *ALL* living things is true? a. all living things are capable of sight b. all living things have a nervous system of some sort c. all living things are capable of reproduction d. all of the above e. non of the above - Answer-C Compared to 40^K, the isotope 39^K has a. a different atomic number b. one less neutron c. one less proton d. one less electron e. one less proton and one less electron - Answer-B Sulfur has 6 electrons in its outer electron shell. It comb...

LSU Bio 1201 Final Exam Pomarico Questions and Answers Rated A+ Which four elements make up 90% of life? C, H, N, O Does DNA have uracil or thymine? Thymine What is a macromolecule? Molecule made up of polymers What are the complementary base pairs in DNA A-T, G-C Which of the following are not pyrimidines? T, C, U, A, G A, G What causes an element to become an isotope? Change in # of neutrons What is an enantiomer? Two molecules that are mirror images of each other Wha...