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Questions in biology

[Done] The allele for brown eyes is dominant to the allele for blue eyes. Write down suitable symbols for these alleles.

[Done] How does nitrogen enter the biotic part of the ecosystem?

[Done] Why are few large invertebrates found living on land?

[Done] When a muscle cell demands energy to contract, what happens to ATP? A. ATP makes more ATP B. ATP is hydrolyzed and turned into ADP C. ATP is phosphorylated D. ATP is shuttled to the mitochondria

[Done] What is the function of the cytoplasm?

[Done] Humans can cause an ecosystem to collapse by: A. Collecting and chemically altering industrial waste to detoxify it. B. Reducing habitat fragmentation. C. Hunting a keystone species to extinction. D. Building shelter belts next to farm fields.

[Done] Which of the following is true? A. ATP is formed during glycolysis. B. ATP contains less potential energy than ADP. C. Plant cells generate ATP during cellular respiration. D. ATP is used as a mobile energy carrier molecule by all cells.

[Done] In a destructive wave, ___. A. Backwash is stronger than swash. B. Swash is stronger than backwash. C. Water hits the beach in a straight line. D. Sand and small rocks are deposited by water.

[Done] A population of black cats has been interbreeding. However, in one litter, a sole gray kitten is born. The successive generations now have a few gray cats. Which mechanism is responsible for introducing this new allele in the cat population? A. Gene selection B. Gene mutation C. Gene flow D. Genetic drift

[Done] How are crystal minerals classified?