Monomers of proteins - Study guides, Class notes & Summaries

Dr. Keck studies - ANSWER Ichthyology 7 criteria for life - ANSWER Organization, Metabolism, Growth, Homeostasis, Response to Stimuli, Adaptation, Reproduction How are bacteria, archaea, and eukaryotes are related - ANSWER Last Universal Common Ancestor (LUCA) timeline for early earth: earths formation and the first single celled organisms - ANSWER 4.5 bya Earth was formed, 4 bya the crust was solidified, 3.5 bya we find the oldest fossils of microorganisms (all of these are prokaryotes...

What are the three main components of the cytoskeleton and what are their main functions? correct answers Microtubules, microfilaments and intermediate filaments that help form the cytoskeleton to create stability, structure, and allow movement What are the main similarities and differences between the three components of the cytoskeleton? correct answers Microfilaments: flexible, smallest, regulate motion, help stabilize, polymerized from monomers to polymers Microtubules: less flexible, ...

What are the three main components of the cytoskeleton and what are their main functions? correct answers Microfilaments: movement microtubules: transport of cellular materials intermediate: support What are the main similarities and differences between the three components of the cytoskeleton? correct answers all are important for cytoskeleton structure differ in size Describe how the assembly of actin filaments is regulated. Include both the role of associated protein and monomer co...

What are R-Groups? - Every amino acid has another atom or group or atoms bonded to the central atom known as the R group. This R group gives each amino acid proteins specific characteristics, including size, polarity, and pH. What are proteins? - Proteins are large, complex molecules that play many critical roles in the body. They do most of the work in cells and are required for the structure, function, and regulation of the body's tissues and organs. What is a cell? - Cells are the basi...

What are the monomers and polymers of proteins called? Monomers- nucleotides Polymers- macromolecules What are some functions of proteins? Enzymes- speed up biochemical reactions Structural proteins- provide physical stability and movement Defensive proteins- recognize and respond to nonself substances Draw and label the parts of an amino acid. Amino acid has both a carboxyl functional group and an amino functional group attached to the same carbon atom, called the alpha carbon. Also at...

BIO 100 EXAM 2 LATEST VERSION GRADED A+ LECTURE#6 Cell Communication **What is the role of the plasma membrane in a cell?** The plasma membrane acts as the "gatekeeper" of the cell, separating it from its environment and regulating the passage of molecules. It is composed of a hydrophobic phospholipid bilayer that allows small and hydrophobic molecules to pass through. **What are concentration gradients in cellular context?** Concentration gradients refer to the differences in...

A form of asexual reproduction in single-celled organisms by which one cell divides into two cells of the same size - Binary Fission Enzymes, toxins, and other factors that affect the relative ability of a pathogen to infect and cause disease. - Virulence factors Gram staining differentiates bacteria based on their: A) ATP B) endospore C) cell wall D) integral proteins - Cell Wall Reactions that require energy are called ________ reactions: A) endergonic B) endothermic C) exergonic ...

Cytoskeleton: A) 3 main components B) main functions correct answers A) actin filaments, microtubules, and intermediate filaments B) actin - sense the environment and direct movement microtubules - for transport intermediate - help keep the cell shape, to anchor organelles What are the main similarities and differences between the three components of the cytoskeleton? correct answers Main similarities: - all important for cytoskeleton structure - MT & Fila: charged ends; form a...

What is the major function of bile? a. Emulsification of fats b. Digestion of fats c. Stimulation of stomach secretions d. Inhibition of stomach contractions e. Assist amino acid absorption - CORRECT ANSWER a. Emulsification of fats Histamine: a. Causes local blood vessels to constrict. b. Causes local blood vessels to restrict fluid loss. c. Decreases blood flow to the affected area. d. Causes local swelling of the affected area. e. Causes the blood pressure in the body to inc...

m   1. Which of the following is the mRNA start codon in most cases? A. UAA B. AGU C. AUG D. UGA 2. Which of the types of RNA is the smallest? A. mRNA B. tRNA C. rRNA D. 3. Which of the following is not considered a pyrimidine? A. C B. T C. U D. G 4. Which of the following is paired correctly? A. A-G B. C-G C. A-U D. G-T 5. Which of the following characterizes a Western blot? A. Antibody/protein hybridization B. DNA/RNA combination C. RNA ...