Mmsc 490 Study guides, Class notes & Summaries

MMSC 490 Final Exam Practice Questions and Answers Which of the following regulates genes by binding directly to transcription proteins? a. Growth hormone b. insulin c. steroid hormones d. epinephrine - Answer ️️ -c. steroid hormones Monomeric G proteins, such as Ras and several elongation factors, are usually in the active state when a molecule of ____ is bound to them. a. GDP b. GTP c. ADP d. ATP - Answer ️️ -b. GTP The first amino acid of eukaryotic polypeptides is a. the...

MMSC 490 CH. 1 Quiz

mmsc 490 exam 2 practice quiz 5 (chapter 6)

MMSC 490 CH. 1 Quiz- Answered The feature that most clearly distinguishes eukaryotes from prokaryotes is the presence of .......... in eukaryotic cells. oxidative phosphorylation a nucleus ribosomes RNA molecules - Answer ️️ -A nucleus Cytoplasmic organelles are... present in both prokaryotic and eukaryotic cells. absent in prokaryotic cells and present in eukaryotic cells. present in prokaryotic cells and absent in eukaryotic cells. absent in both prokaryotic and eukaryotic cell ...

MMSC 490 Exam 2 Questions and Answers All Correct The genomes of salamanders contain ten times more DNA than the genomes of humans because salamanders - Answer-have more noncoding DNA than humans have. A gene can be defined as a segment of DNA that codes for - Answer-functional product. Introns in mRNA-coding genes are the transcribed sequences - Answer-between protein-coding sequences. In the nucleus, introns are removed from transcripts by - Answer-splicing introns can encode - A...

MMSC 490 Exam Question and Answers All Correct Which energy producing process is thought to have come first during cellular evolution - Answer-glycolysis The initial importance of a membrane enclosing self-replicating RNA molecules and associated proteins was that it - Answer-maintained these molecules as a unit capable of reproduction and evolution Mitochondria and chloroplasts resemble bacteria in that they - Answer-have their own DNA have their own ribosomes reproduce by a simple ...

MMSC 490 Final Test Questions with Correct Answers Which energy-producing process is thought to have come first during cellular evolution? - Answer-Glycolysis The initial importance of a membrane enclosing self-replicating RNA molecules and associated proteins was that it - Answer-maintained these molecules as a unit capable of reproduction and evolution. Mitochondria and chloroplasts resemble bacteria in that they - Answer-have their own DNA, have their own ribosomes, reproduce by si...

MMSC 490 Exam 1 PQ Questions and Answers The light microscope was used to observe the cellular structure of cork by ____, who named the chambers "cells". - Answer ️️ -Hooke Which fish is proving to be a useful model organism for the study of vertebrate development? - Answer ️️ -Zebrafish Arabidopsis thaliana is a model organism for studying the molecular biology of - Answer ️️ - Plants The original cell was thought to have arisen from the enclosure of self-replicating ____ b...

cell wall correct answers -organelle of bacteria and plants -rigid layer composed of carbohydrates and proteins -porous and easily penetrated plasma membrane correct answers -organelle of bacteria, plant and animal cells -bilayer of phospholipids and associated proteins -provides separation from inside of cell and external environment nucleoid correct answers -organelle of bacteria -contains 1 circular molecule of DNA -not surrounded by membrane ribosomes correct answers -organell...

MMSC 490 FINAL EXAM QUESTIONS WITH 100% CORRECT nuclear receptor superfamily - Answer ️️ -Intracellular receptors for hydrophobic signal molecules such as steroids and retinoid acid. The receptor-ligand complex acts as a transcription factor in the nucleus Zinc fingers and Leucine zippers: - Answer ️️ -are configurations of DNA binding proteins nitric oxide - Answer ️️ -- paracrine signaling molecule cause it has unstable w/ a short half- life - comes from arginine - stimula...