Perspex is a form of transparent plastic.
It has a refractive index n = 1.50. A ray of light
...
Biology, 29.03.2021 14:00 sierraaasifuent
Perspex is a form of transparent plastic.
It has a refractive index n = 1.50. A ray of light
strikes the flat surface of a Perspex block with
an angle of incidence of 40°. What will be the
angle of refraction?
Answers: 2
Biology, 21.06.2019 23:50
Which statement about the immune system is false? a. lymphocytes reduce inflammation, b. b cells remember specific pathogens. c. most white blood cells kill bacteria d. white blood cells are made in lymph nodes.
Answers: 1
Biology, 22.06.2019 08:20
10111213141516lactic acid fermentation differs from ethyl alcohol fermentation in thato in ethyl alcohol fermentation co2 is also producedlactic acid fermentation can occur in all living thingsethyl alcohol fermentation can only occur in plantsonly lactic acid fermentation can produce more atp
Answers: 1
Biology, 22.06.2019 09:30
You have just sequenced a new protein found in mice and observe that sulfur-containing cysteine residues occur at regular intervals. what is the significance of this finding? it will be important to include cysteine in the diet of the mice. cysteine residues are required for the formation of α helices and β pleated sheets. cysteine residues are involved in disulfide bridges that form tertiary structure. cysteine causes bends, or angles, to occur in the tertiary structure of proteins.
Answers: 1
Biology, 22.06.2019 12:30
Which of the following observation darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds live on islands located farther from the mainland than the bird's maximum nonstop flight distance. d) south american temperate plants are more similar to the tropical plants of south america than to the temperate plants of europe. e) earthquakes reshape life by causing mass extinctions.
Answers: 1
History, 09.11.2021 22:20
English, 09.11.2021 22:20
Biology, 09.11.2021 22:20
Mathematics, 09.11.2021 22:20
English, 09.11.2021 22:20
Mathematics, 09.11.2021 22:20