Pcb 3023 cell biology - Study guides, Class notes & Summaries

PCB 3023 - Cell Biology Exam 2 Review Questions and Answers where can cell membranes be found? - ANSWER-1. enclosing the cell 2. enclosing the organalles why does the mitochondria has two membranes? - ANSWER-to increase the surface area inside membrane functions - ANSWER-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 that are soft and flexible which allo...

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

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 ...

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 : Cell Biology Final Review Study Guide Solutions If PAGE is carried out after subjecting the sample to SDS and beta-mercaptoethanol, then proteins will be separated on the basis of - ANSWER-Mass Which is the most abundant molecule in a bacterial cell? - ANSWER-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 bonds with proteins, nucle...

BIOLOGY PCB 3023-0 -Cell Bio Exam 1- 50 Questions& Answers. 1) Proteins are able to bind to which of the following types of biological molecules a. other proteins b. lipids c. sugars d. a and b, but not c e. a,b, and c are all correct - answer E , 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 (slide 15, 1-11-18)

Exam (elaborations) Essential Cell Biology PCB 3023 Cells: The Fundamental Units of Life Exam Questions and Answers

BIOLOGY PCB 3023-0 -Cell Bio Exam 4 Review. 1) Segreation of chromosomes during anaphase is partially facilitated by: a. Depolymerization of kinetochore microtubules b. Depolymerization of overlap microtubules c. Polymerization of kinetochore microtubules d. Polymerization of astral microtubules e. Segregation of fate determines 2) The “immortal strand” hypothesis suggest that: a. The DNA in stem cells is made from especially stable nucleotides b. DNA taken from an existing...