This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Protecting a sample from light is best done by: a. placing the sample in an amber-colored tube b. ... (Read 57 times)

moongchi

  • Hero Member
  • *****
  • Posts: 516
on: Jun 25, 2018
Protecting a sample from light is best done by:
 a. placing the sample in an amber-colored tube
  b. All tubes protect the sample from light.
  c. wrapping aluminum foil around the sample
  d. both A and C

Question 2

Circadian changes are best described as:
 a. changes through the course of a year b. hour by hour changes
  c. cyclical changes throughout the day d. changes every 10 years


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

meow1234

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jun 25, 2018
Answer to Question 1

d

Answer to Question 2

c


moongchi

  • Member
  • Posts: 516
Reply 2 on: Jun 25, 2018
Wow, this really help

essyface1

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Urinometer. In this procedure, a urine sample and urinometer are placed within a tube, and the liqui Urinometer. In this procedure, a urine sample and urinometer are placed within a tube, and the liqui
Tube-Nosed Bat Tube-Nosed Bat
Endotracheal Tube Endotracheal Tube
Endangerment sites of the head and face. Use only light to moderate pressure on head and face. Endangerment sites of the head and face. Use only light to moderate pressure on head and face.
Summary view of the light reactions as they occur in the thylakoid Summary view of the light reactions as they occur in the thylakoid
Light Brown Eye Color Light Brown Eye Color
Video: How eudicots (true dicots) differ from monocots Animation

For a complete list of videos, visit our video library