Straighterline

1. Proper aseptic technique is crucial to ensuring growth of pure bacterial colonies. What is one experimental way you can test your practices to confirm that you are using proper aseptic technique? One experimental way to test if you are practicing correct aseptic technique would be to create a control petri dish or stab tube. Monitor the control dish or tube regularly over the next few days to see if any bacterial colonies have grown. If you do see colonies growing, then proper aseptic te...

1. What determines if a bacterial cell is Gram-positive or Gram-negative? Gram-negative bacteria are surrounded by a thin cell wall, while gram-positive bacteria lack a cell wall. 2. In this lab, both viruses and prions were introduced as acellular organisms. Do some research and describe one other type of acellular organism. What characteristics about this organism classify it as acellular? Another example of an acellular organism would be viroids. Viroids are small, single- stranded, cir...

1. What constitutes personal protective equipment? When should personal protective equipment be worn? Why is personal protective equipment important? Personal protective equipment Includes: safety goggles, face protection, gloves, aprons, lab coats and shoe covers. PPE should be worn whenever an experiment is being conducted and whenever an airborne pathogen or contaminant can be transferred to you. It is important to use PPE in order to protect yourself from harsh chemicals and viruses. P...

1. What is the difference between chemically defined and chemically complex media? Give either a clinical or environmental research example for which each media type would be the most appropriate choice for culturing microorganisms. The key difference between chemically defined and chemically complex media are their compositions. Chemically defined media is made up of all known compositions. While, chemically complex media is made up of unknown compositions (which can vary from batch to bat...

When erythrocytes are destroyed, which of the following events occurs? - CORRECT The globin portion of the molecule is broken down into amino acids. Type AB blood - CORRECT has both A and B antigens on the red cells In the platelet release reaction, - CORRECT ADP and thromboxanes stimulate other platelets to become activated. The hematocrit is - CORRECT d. the percentage of RBCs in a given volume of blood. What vitamin is necessary to produce many clotting factors in the liver? - COR...

psychology - CORRECTthe scientific study of behavior and mental processes science - CORRECTpsychology uses systematic methods to observe human behavior and draw conclusions behavior - CORRECTeverything we do that can be directly observed mental process - CORRECTThe thoughts, feelings, and motives that each of us experiences privately but that cannot be observed directly critical thinking - CORRECTthinking that does not blindly accept arguments and conclusions. Rather, it examines ass...

A force is applied to an object as shown. What is the direction of the torque vector? (Ans- into the screen The integral (squiggle)dt is called the angular impulse. It is equal to (Ans- the change in angular momentum A truck weighing 1000 N moves at 5.89 m / s when it has an elastic collision with another vehicle. The second vehicle, weighing 981 N, was stationary but free to move. Which of the following is the final velocity of the first vehicle after the collision? (Ans- v1 f = 0.0...

Who won a Nobel Prize for his work on digestion? (Ans- Ivan Pavlov When a neuron is at its resting state, what is the status of sodium ions? (Ans- They are not let into the neuron Which of the following is a goal of psychology? (Ans- understand If you wanted to have good clarity and sharpness of vision, you should arrange for light and images to be focused at the (Ans- center of the retina where cones are concentrated. Of all forms of electromagnetic radiation, humans can perce...

Socialization (Ans- the process by which individuals internalize the values, beliefs, and norms of a given society and learn to function as members of that society Reflection theory (Ans- the idea that culture is a projection of social structures and relationships into the public sphere, a screen onto which the film of the underlying reality or social structures of our society is projected Generalized other (Ans- an internalized sense of the total expectations of others in a variety ...

What is sociology (Ans- the scientific study of social interactions and of social organizations What is the functionalist perspective? (Ans- A system is to survive where certain essential tasks are performed. What happens to a functionalist system? (Ans- If it fails to maintain it will perish. What is a conflict perspective? (Ans- Conflict theorists focus their attention on society as a whole, studying its institutions and structural arrangements. What is the interactionist p...