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At a given chiasma, an exchange of genetic material can occur between both chromatids, what is called a chromosomal crossover, but this is much more frequent during meiosis than mitosis. In meiosis, absence of a chiasma generally results in improper chromosomal segregation and aneuploidy.
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Answer: Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. A protein called hemoglobin in the red blood cells then carries the oxygen around your body.
Answer:
1. Flower-The biological function of a flower is to affect reproduction, usually by providing a mechanism for the union of sperm with eggs.
2. leave-Leaves provide food and air to help a plant stay healthy and grow. Through photosynthesis, leaves turn light energy into food
3. Stem-The primary functions of the stem are to support the leaves; to conduct water and minerals to the leaves, where they can be converted into usable products by photosynthesis; and to transport these products from the leaves to other parts of the plant, including the roots
4. Roots-Root pressure, in plants, force that helps to drive fluids upward into the water-conducting vessels ( xylem )
Explanation:
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Answer: its B/Transcription
Explanation: its the process where information in DNA, called the genetic code, is used to produce RNA copies called messenger RNA (mRNA)
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Answer:
Plants use sunlight to convert CO2 and H20 to Glucose and Oxygen
Explanation:
Photosynthesis is the process in which Plants absorb sunlight via the pigment chlorophyll to convert CO2 and Water to Glucose and Oxygen
