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Question 1

7 characteristics of living things

Answer 1

• Reflects degrees of order
• Reproduces
• Responds to stimuli
• Harnesses and uses energy
• Homeostasis (maintain body temperatures)
• Grows and develops
• Adapts and evolves

Question 2

what does the disease cataracts do?

Answer 2

changes opaqueness of the lens pf a person’s eyes, interfering with the blue lights that goes to a human’s retina
-people see more yellower

Question 3

3 characteristics about Chlamydomonas reinhardtii

Answer 3

• photosynthetic
• single celled
• eukaryotic

Question 4

what does an eyespot of a single chloroplast do?

Answer 4

senses light intensity to help do photosynthesis

Question 5

shorter wavelength means

Answer 5

more energy

Question 6

what structural feature is common to all pigments

Answer 6

They have a conjugated system of single bonds and double bonds

Question 7

flagella can more towards light —- and away from light —–

Answer 7

positive photo taxis and negative phototaxis

Question 8

example of a photoreceptor

Answer 8

rhodopsin - contains a sinlge pigment called a retinal and a binded protein called opsin

Question 9

how is bio luminescence achieved

Answer 9

ATP energy excited an electron and after going to the ground state, it emits a photon

Question 10

Isaac Newto pertaining to light

Answer 10

Using glass prisms, he demonstrated that a white beam of light is composed of as spectrum of colors