« previous next »

Author Question: Which of the following is an effective mutagenic agent that could have affected the course toward ... (Read 31 times)

torybrooks

  • Hero Member
  • *****
  • Posts: 500
on: Aug 11, 2018
Which of the following is an effective mutagenic agent that could have affected the course toward plant domestication among the Natufians?
 
  a. wind
 b. snow
 c. water
  d. fire

Question 2

Melanin is known to protect the skin against damaging ultraviolet solar radiation.
 
  a. True
  b. False
  Indicate whether the statement is true or false


coyin

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Aug 11, 2018
Answer to Question 1

d

Answer to Question 2

True


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Diagram of the life cycle of Plasmodium falciparum, the causative agent of malaria Diagram of the life cycle of Plasmodium falciparum, the causative agent of malaria
Comminuted Shatters the affected part into a multitude of bony fragments (x-ray of the femur bone) Comminuted Shatters the affected part into a multitude of bony fragments (x-ray of the femur bone)
Safe and effective interpersonal communication Safe and effective interpersonal communication
Effective listening skills demonstrate empathy to the patient and break down barriers to communicati Effective listening skills demonstrate empathy to the patient and break down barriers to communicati
Rising sea level: Some areas will be affected by a rise of just 40 cm Rising sea level: Some areas will be affected by a rise of just 40 cm
A pedigree for a rare autosomal recessive trait. In these pedigrees, most affected individuals have A pedigree for a rare autosomal recessive trait. In these pedigrees, most affected individuals have
Video: The 4 steps of translation Animation

For a complete list of videos, visit our video library