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

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...

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...