perfect exam room

changes in the amino acid sequence of the opsin protein - substitutions can shift the peak up or down and the effects are additive addition of a colored oil droplet to the photoreceptor (lizards, birds, etc.) Why do monochromat animals see the world in shades of grey? - ANSWER-living in dark, poorly lit environments so they need to use all of their photoreceptors for spatial pattern analysis and brightness contrasts, not color vision What types of photopigments ("amount") does mammals...

Where are eyes placed on the head for animals that use vision to detect and escape quickly from predators? - ANSWER-WIDE field of vision so placed on the sides of the head (rabbit) or on eyestalks raised above the head (crab) monocular vision (eyes basically function independently with little overlapping fields for binocular vision (using both eyes together to see)) Define temporal resolution - ANSWER-rate at which a rapidly blinking light is perceived as continuous Eyes with high (cone...

Microscope - ANSWER-Instrument used to observe cells and magnify images Simple Light Microscope - ANSWER-Hand-held microscope with a single lens, illuminated by natural or artificial light Compound Light Microscope - ANSWER-Microscope with two lenses (objective and ocular) to enlarge and illuminate specimens Transmission Electron Microscope (TEM) - ANSWER-Microscope using an invisible beam of electrons to pass through thin specimens, enabling high magnification Scanning Electron Micros...

1. A nurse is admitting a client who has schizophrenia. During the initial interview, the client takes off his belt and screams, "A snake!" Which of the following responses is appropriate? a. "You know that is you belt and not a snake, don't you?" b. "Your belt doesn't look like a snake." c. "This is your belt. I understand how this is scary for you." d. "Why do you think your belt is a snake?" - ANSWER-C A nurse working in the emergency department is assessing a client w...

Why is the α-anomer of d-glucose less likely to form than the β-anomer? A. The β-anomer is preferred for metabolism. B. The β-anomer undergoes less electron repulsion. C. The α-anomer is the more stable anomer. D. The α-anomer forms more in L-glucose. - ANSWEWR-B. The β-anomer undergoes less electron repulsion. Many double-displacement reactions are enzyme-catalyzed via the "ping pong" mechanism, so called because the reactants appear to bounce off the enzyme like a ping pong b...

Plugins allow you to expand the functionality of your webpage - ANSWER-true You should always backup your files. - ANSWER-true __________ allows you to customize your website with menus, widgets and headers. - ANSWER-themes WordPress is an/a ______________ CMS. - ANSWER-open source WordPress is based on what language? - ANSWER-php You are allowed to also add your own HTML code in WordPress. - ANSWER-true FTP stands for: - ANSWER-file transfer protocol To add a new page in WordPress you ca...

At rest, is the inside of the cell negatively charged or positively charged? - ANSWER-negative At rest, what is the concentration gradient of Na+ and of K+? If we allow these ions to move, where will they move? - ANSWER--Most cells have a negative membrane potential as a result of uneven distribution of ions on either side of the membrane -This is important because it creates a chemical gradient, where some ions are higher on one side than the other -channels move materials down t...

How are host names and sub-domains assigned - ANSWER-By the registrants of the second-level domains What is a protocol - ANSWER-A set of rules for communicating What is the purpose of CIDR - ANSWER-To conserve IPv4 addresses According to the World Wide Web Consortium (W3C), what do we mean when we discuss the accessibility of a website - ANSWER-Whether the website can be used by people with certain disabilities The document root of a web server is - ANSWERThe branch of the fi...

Define Hold Over time - ANSWER-as low as 2 min for type 1 up to several hours for type 4 What are VFR fuel reserve requirements at night - ANSWER-45 min reserve when does hold over time begin - ANSWER-at the start of application of the fluid and ends when the fluid is no longer effective. should begin at a point visible from the cockpit so if the fluid begins to loose effectiveness it can be seen at the cockpit first type 2 and 4 can be bad for what type of aircraft - ANSWER-rotation sp...

Who should handle any demonstrator action on public sidewalks or streets? a. Administration b. Security c. Facility personnel d. Local law enforcement - ANSWER-d. Local law enforcement During a disturbance, which of these is a critical action to be taken by the facility? a. Control access and validate all entering the building as necessary b. Lock all doors so no one can leave or enter c. Allow free access to building as if business as usual d. Validate those entering the building o...