Why are plant leaves green? Select one: a. They absorb only green wavelengths of light. b. They absorb only yellow and blue wavelengths of light. c. They reflect nearly all wavelengths of light. d. They reflect green wavelengths of light. e. They reflect yellow and blue wavelengths of light.

Answers

Answer 1

Answer: Option D.

They reflect green wavelengths of light

Explanation:

Plant leaves are green because they have chlorophyii in their chloroplast. Chloroplast is a organelle that contain the green pigment chlorophyii. The plant contain chlorophyii a and b. The Chlorophyii absorb blue and red wavelengths and other wavelengths are reflected including green are reflected so that the leaves appear green.

Related Questions

the frequency of down syndrom increase with
the age of parents ?

Answers

Answer:

See below

Explanation:

Researchers found that the rate of Down syndrome among parents over 40 was 60 per 10,000 births, which is six times higher than the rate found among couples under 35 years old.

Which of the following is not a method of heat transfer? Conduction Insulation Radiation Convection

Answers

Answer:

insulation is the correct answer

The method that is not one of the heat transfer method is insulation.

Heat transfer can be regarded a term in thermal engineering use to describe the generation as well as the use and conversion, exchange of thermal energy that exist between physical systems. Heat transfer can be done with different mechanismsThese are: conductionconvectionRadiationConvection can be regarded as the flow of heat in fluids, these fluids could be warmed gas, water.Conduction can be regarded as the movement of heat through objects that are in physical contact, like two metalsRadiation can be regarded as the energy which appears from a source then travels through space, this do contain wave-like properties. Insulation can be regarded as setting up a barrier between two objects, usually between hot and the cold object , so that heat reduction can be achieved.

Therefore, Insulation is not heat transfer mechanism, it i a way to reduce heat loss.

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A woman who has blood type A positive has a daughter who is type O positive and a son who is type B negative. Rh positive is a trait that shows simple dominance over Rh negative and is designated by the alleles R and r, respectively. A third gene for the MN blood group has codominant alleles M and N. If both children are of blood type M, list all of the possible parental phenotypes

Answers

Answer:type A

Explanation:

Possible parental phenotypes could be mother with blood type A Rh positive and MN or MM while the father will have blood type B Rh negative and MN or MM type.

What is blood typing in humans?

Blood typing is a method to tell what type of blood group or blood an individual has. Blood typing is done so a person can safely donate hos or her blood or receive a blood transfusion from another person. It is also done to see if a person have a substance called as the Rh factor on the surface of the red blood cells.

Blood typing in humans is an example of codominance and multiple allelism. Blood group A and B are codominant and O is recessive allele. Rh negative is recessive over Rh positive blood group. A third gene for the MN blood group is codominant, in which M and N are codominant.

In the given question, both the children are of blood type M. In this case, M and N are codominant over each. Therefore, the possible parental combinations can be MN × MN or MM × MN.

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