PCB 3023

PCB 3023 Exam 2: Transcription and Translation Practice Questions and Answers (100% Pass) does the structure of the DNA (nucleosomes) impact the ability of the RNA polymerase to transcribe genes? - Answer️️ -- yes - tightly bound nucleosomes, it's harder to get to the DNA so there is less expression - DNA is more exposed when the histones aren't packed together so tightly dna transcription vs replication - Answer️️ -- replication synthesizes new (daughter) DNA - transcriptio...

pcb 3023 FINAL EXAM Practice Questions and Answers endosymbiosis - Answer️️ -mitochondria and chloroplasts were prokaryotes that entered eukaryotic cells and became specialized to perform specific cellular instructions evidence for endosymbiosis - Answer️️ -- organelles contain their own DNA (organelle genomes - organelles resemble present day prokaryotes - organelle genomic sequences resemble those of present day prokaryotes - organelles can divide independently from the cell ...

Cell Bio PCB 3023 - Exam 1 Practice Questions and Answers What is a simple genome and which type of cell has one? - Answer️️ -Codes for fewer proteins then a complex genome, prokaryotes Plant cell walls were.... - Answer️️ -Reacquired after eukaryotes lost cell walls when they diverged from prokaryotes Genes - Answer️️ -Regions of DNA transcribed into any type of RNA Is RNA or DNA evolutionarily older and how does this affect the bases? - Answer️️ -RNA, uracil used firs...

USF PCB 3023 Exam 2 Practice Questions and Answers Plasma Membrane (Function) - Answer️️ -Enclose Cells, Organelles 1. Defines Boundaries to regulate chemical composition and environment 2. Define malleable borders Saturated - Answer️️ -Single Bonded Unsaturated - Answer️️ -Double Bonded Fatty Acids - Answer️️ -Monomers for Lipids Function of Lipids - Answer️️ -1. energy storage 2. cell membranes Why Do Mitochondria have a double membrane? - Answer️️ - Prehist...

PCB3023 Exam 1, cell bio test 1 FAU Theisen, CH.1: Cells and Genome Practice Questions and Answers proteins are able to bind to which of the following types of biological molecules - Answer️️ -- amino acids, sugars, nucleotides, lipids, are basis for most reactions in cells. All proteins are able to bind to one or more molecules, often other proteins and bound substances such as ligands or substrates. in cells the strongest chemical interaction is? - Answer️️ -- covalent bonds ;...

PCB 3023 - Cell Biology Exam 2 Review Practice Questions and Answers where can cell membranes be found? - Answer️️ -1. enclosing the cell 2. enclosing the organalles why does the mitochondria has two membranes? - Answer️️ -to increase the surface area inside membrane functions - Answer️️ -1. define boundaries to regulate the a. chemical composition of the region they enclose b. interaction of the region they enclose with their external environment 2. define boundaries tha...

PCB 3023 : Cell Biology Final Review Practice Questions and Answers If PAGE is carried out after subjecting the sample to SDS and beta- mercaptoethanol, then proteins will be separated on the basis of - Answer️️ -Mass Which is the most abundant molecule in a bacterial cell? - Answer️️ -Water Which of the following is true about the molecular properties of water? A) Water has a dipole moment. B) Water can form hydrogen bonds with other water molecules. C) Water can form hydrogen ...

Cell Biology (PCB 3023) Test 1 – Varma Study Guide with Complete Solutions Large examples of eukaryotic cells are... - Answer️️ -Yeast or amoebas Differentiating factors between plant and animal cells - Answer️️ - 1. Cell wall 2. Large central vacuole as opposed to vesicles 2. Chloroplasts Limitation to eukaryotic cells and photosynthesis - Answer️️ -The sea slugs that live in symbiotic relationships with cyanobacteria or algae. The algae is not broken down or digested an...

PCB 3023 Exam 1 Study Guide with Complete Solutions Flow of genetic information in all living cells - Answer️️ -DNA -> RNA -> Protein Replication-> Transcription -> Translation Miller-Urey experiment - Answer️️ -recreated conditions thought to exist in the atmosphere of primitive earth. No Oxygen! Used heat to simulate sun, electric discharge to simulate lightning, and cooling to condense molecules to liquid form. 7 simple molecules: water vapor, nitrogen, ammonia, c...