Bio156 lab 3

What type of microscope would be used in the laboratory to observe very small objects or organisms on a slide? Please give reasoning behind the answer. Which microscope would be useful when studying the internal structure of a minute specimen? (2 points) List two jobs where microscopes are used. Describe in what capacity they are…

BIO – Summarize the roles cell walls and vacuoles play in regulating plant

Summarize the roles cell walls and vacuoles play in regulating plant form by describing: how cell walls limit plant cell growth; how walls and vacuoles act to maximize plant contact with the environment. To do this, begin by describing the structural features of cell walls and telling why contact with the environment is both a…

What are the primary functions of the respiratory system?

The Respiratory System Utilizing knowledge from your learning and assigned readings, respond to the following questions: What are the primary functions of the respiratory system?Explain the roles of mucus and cilia in the respiratory system.Explain the structure and function of the respiratory membrane.Identify and describe the four distinct events that are collectively called respiration.After a…

Biology MCQs

1) Find kcat for a reaction in which Vmax is 8 x 10-3 mol/min and the reaction mixture contains two microgram of enzyme (the molecular weight of the enzyme is 100,000 D). 2) An enzyme is considered to have evolved to its most efficient form ifA) kcat is a large numberB) kcat/KM is near the…

bio145 lab 3

1. List two differences observed between plant and animal cells. (2 points) 2. 2. Describe the function of the following? (3 points) a. cell membrane b. nucleus c. flagella d. mitochondria e. chloroplasts f. ribosomes 3. Distinguish between an osmoconformer and an osmoregulator. (2 points) 4. List two ways that osmoregulators maintain the balance between…

bio160 quiz 2

1 of 25 Which of the following would not represent the study of physiology? Measuring the respiratory rate of a person after a mile sprint. Calculating the daily caloric intake of an athlete Dissecting the kidney to observe the interior. Determining the fasting blood sugar level of a patient. Analyzing the EKG of a patient….

bio156 lab 2

LAB 2 Identify the functional group or molecule for each of the following. (3 points) COOH COH COH List whether each of the following substances was positive or negative for reducing sugar, as indicated by the Benedict’s test. (6 points) Corn syrup (1 point) Table sugar (1 point) Unknown 1 (1 point) Unknown 2 (1…

bio156 quiz 2

1 of 30 Life is organized in a hierarchical fashion. Which one of the following sequences illustrates that hierarchy as it increases in complexity? ecosystem ? population ? organ system ? cell ? community ? molecule ? organ ? organism ? tissue cell ? molecule ? organ system ? organ ? population ? tissue ?…

bio145 quiz 2

1 of 25 Compared to air, seawater is stable. As a result, physical conditions ______ in the sea. are always changing fluctuate wildly remain relatively constant change between night and day are always exactly the same at all depths Question 2 of 25 The _______ provided by seawater allows marine organisms to reach large size…