Bmb 251 exam 1 - Study guides, Class notes & Summaries

BMB 251 Exam 1 With Complete Solution...

PSU BMB 251 Exam 1: Questions and answers, rated A+ Which nucleotide is absent in RNA? - -Thymine Which of the following is absent in bacterial cells? a) DNA b) mitochondria c) ribosomes d) cell membrane - -b) mitochondria Transcripts are _______ ? - -RNA Where does transcription take place in eukaryotic cells? - -Nucleus What direction of information is unknown? - -Protein to RNA All RNA molecules are translated into proteins. True or false. - -False. Some can go back to DNA. All p...

What are some basic metabolic functions a cell must do? ANS Eat "food", eliminate waste, avoid danger, procreate, etc. ALL CELLS ARE ENCLOSED IN A..... ANS Plasma Membrane What is a plasma membrane made out of? ANS Phospholipid bilayer- hydrophobic inner and hydrophilic outside. Controls movement in and out of cells through transport proteins "RNA World Hypothesis" ANS RNA was first unit of genetic material, but DNA was more stable so it was preferred to hold all genetic mater...

What are some basic metabolic functions a cell must do? ANS Eat "food", eliminate waste, avoid danger, procreate, etc. ALL CELLS ARE ENCLOSED IN A..... ANS Plasma Membrane What is a plasma membrane made out of? ANS Phospholipid bilayer- hydrophobic inner and hydrophilic outside. Controls movement in and out of cells through transport proteins "RNA World Hypothesis" ANS RNA was first unit of genetic material, but DNA was more stable so it was preferred to hold all genetic mater...