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Most cellular activities involve converting energy form one form to another. For each of the following cases, give a biological example and explain the significance of the conversion.a) Chemical energy into mechanical energyb) Chemical energy into light energyc) Solar (light) energy into chemical energyd) Chemical energy into electrical energye) Chemical energy into the potential energy of a concentration gradient
A class of environmental science students decided to determine the composition of trees in a forest next to their campus. The students decided to conduct a point-quarter survey.
Develop a CLADOGRAM showing how human, kangaroo, duck, chicken and Neurospora are related to each other.
Describe how Dendritic cells and T regulatory cells affect immune tolerance. And what woulld happen if there is too much immuno tolerance ?
Mimulus lewisii and Mimulus cardinalis are two plants that occupy the same habitat but do not interbreed in nature. Though, they can be readily crossed in the laboratory to produce fertile offspring. Which is a likely reason that prevents interbreedi..
In cattle, coat color may be white, black, or black and white spotted. When true breeding white cattle are crossed with true-breeding black stock, the F1 is all solid white.
Explain the structure and function of cellular organelles.There exist several examples of the eukaryotic cells. Algae, Fungi, Plants, and animals are all composed of the eukaryotic cells. Some algae and fungi are unicellular organisms.
In examining a picture of the cell taken with an electron microscope, a student observes that the cell has a nucleus and a cell membrane but not a cell wall. The student can accurately conclude that the cell is a what.
Think about a grass that grows back to mid phase in fifteen days and low phase III in 30 days after grazing down to the minimum height for efficient re-growth and plant survival.
A black A/A B? B C? C is crossed with a colourless a/a b/b c/c to give a black F1. The F1 is selfed. What proportion of the F2 individuals is colourless.
In cucumbers, a black spine color on the fruit is dominant to white spines and orange mature fruit color is dominant to cream mature fruit color. Both are monogenic traits.
Twenty g soil sample was added to 80 ml of water to make the final volume of 100 ml (tube A). Then, ten ml of the ‘tube A' solution was taken and added to 90 ml of water.
Suppose the gene for dimples, d, is recessive. Then suppose that two individuals with the genotypes Dd and dd mate.
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