Ngesaotieno3

What do atoms that are connected covalent bonds share? pairs of electrons Atoms in molecules share pairs of electrons when they make...? covalent bonds

The processing of RNA produced by each of these polymerases is different, in part due to the different functions of each of the transcripts. 3' flanking sequence -located downstream from the end of the transcript. the 3 major processing events that happen with mRNA: 1. RNA capping 2. Polyadenylation 3. Splicing

Describe the bonds of a beta sheet. polypeptide folds back on itself, H-bonds form between N-H and C=O on neighboring polypeptide strands, side chains project upwards & downwards Describe the bonds of an alpha helix. carbonyl forms H-bond with H from N-H of a residue, 4 residues further on sequence (in same chain), side chains point outward

Chromatography Function - separates proteins based on their different interactions with an immobile phase cleavage by EcoR1 results in ___? sticky ends, meaning that different pieces of DNA that don't come from the same source can be stuck together

activator a protein that binds to DNA and stimulates gene transcription. In prokaryotes, activators bind in or near the promoter; in eukaryotes, activators generally bind to control elements in enhancers. what is needed to activate positive gene regulation active site

anabolism metabolic pathway that construct molecules, requiring energy anti-parallel complementary and parallel but running in opposite directions

atomic mass total mass of the protons and neutrons in an atom

ATP has negatively charged phosphates that interact well with H, R, and K alpha decay 4/2He2+ emitted from nucleus, subtract 2 protons and 2 neutrons

Why can It be difficult to determine the etiologic agent of a disease? Some signs and symptoms can be caused by many different etiologic agents. What kind of staining technique is the acid-fast stain? A doctor prescribed antibiotics for a patient complaining of runny nose. Fever and aches and pains. Which type of infection did the doctor suspect? The doctor likely suspected a viral infection because antibiotics are not effective against viral infections.

When shoving equipment you must stop 150 ft. before what? Select All That Apply 1) A Fixed Derail 2) An improperly lined switch You are operating on the q79510 at max speed in CP territory and you experience an air brake emergency what is required when permitted to proceed? Operate the Train not to exceed 20 MPH for 1 train length