Nvcc bio 101 Study guides, Class notes & Summaries

Bio 101 NVCC Exam 1 Questions with correct Answers

NVCC BIO 101 Exam 2 Questions With Verified Solutions Metabolism - answerthe totality of an organism's chemical reactions Metabolic pathway - answerBegins with a specific molecule, which is then altered in a series of defined steps, resulting in a certain product. catabolic pathway - answerrelease energy by breaking down complex molecules into simpler compounds anabolic pathways - answerconsume energy to build complex molecules from simpler ones - proteins are synthesized from simpler m...

NVCC BIO 101 Exam 2 Questions With Verified Solutions Which of the following people conducted the experiments that demonstrated that DNA is the genetic material of bacteriophages - answerHershey and Chase A phage is a virus that infects - answerbacteria when a T2 bacteriophage infects and Escherichia coli cell which part of the phage enters the bacterial cytoplasm - answerOnly the RNA the monomers of DNA and RNA are - answerfatty acids DNA does not contain the nitrogenous base - answerur...

NVCC BIO 101 Exam 2 Questions With Verified Solutions What are the two major types of cells in existence (based on the presence of membrane-bound organelles and a nucleus)? Prokaryotic and Eukaryotic What is a membrane-bound cytoplasmic organelle where the proteins and lipids made in the ER are modified and stored? Golgi Apparatus Why are our cells so small? Allows our cells to compose faster and replace and to maximize ratio of their surface area to volume What features are common to...

What are the 3 characteristics of DNA? - ANSWER-1. Must be able to code for the sequence of amino acids in proteins and control protein synthesis 2. Must be able to replicate itself prior to cell division 3. Must be able to change over time to account for evolutionary change (evolution) Is this statement correct? Two kinds of molecules participate in protein synthesis: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). - ANSWER-True Is this statement correct? The purines, cytosi...

Bio 101 NVCC Final Exam Questions with Certified Answers Meisosis results in 4 different haploid cells The purpose of meiosis is to produce gametes (eggs and sperm) There are _____ Cell divisions in meisosis 2 Meiosis occurs in the _______ Ovary or testes DNA replication occurs during ________ Interphase 1 Recombination or 'crossing over' occurs in ________ Prophase 1 Independent assortment of homologous chromosomes occurs in ________ Interphase 1 The DNA condenses, ...

Bio 101 NVCC Exam 1 Questions with correct Answers

NVCC BIO 101 EXAM 2&3 CORRECTRY ANSWERED ANS PASSED What are fossils? - ANSWER remains of animals or plants once alive in sedimentary rock What part of the animal is usually left in a fossil? - ANSWER skeletons and bones What are the two things in which whole animals are found? - ANSWER amber and ice A scientist who digs up and studies fossils is called a- - ANSWER paleontologist No two people are genetically identical, except for identical twins, the main source of genetic vari...

Members of what Domain are closer to Eukaryotes? - ANSWER-Archaea Write the four kingdoms of Domain Eukarya - ANSWER-Protists, Fungi, Plantae, Animalia What is the flow of nutrients and energy in an ecosystem. - ANSWER-Energy- one way nutrients- recycled Briefly describe the two types of cells. - ANSWER-Prokaryotic cells are: small, lack a definitive nucleus and all the membrane bound organelles except ribosomes and chromosomes. Eukaryotic cells are: bigger, a nucleus and all the me...

Chapt 2 Bio 101 Exam 1 NVCC Questions and Answers