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Questions in biology

[Free] How are continental glaciers and valley glaciers different?

[Free] What is an analogy to a farm for chromatin of an animal cell?

[Free] What three elements are likely to be found in a sample of soil and rocks?

[Free] How many diploid and haploid chromosomes does a duck have?

[Free] Why is interphase important to an organism?

[Free] Hemophilia is a recessive disorder found on the X chromosome of males and females. Patricia is a healthy carrier of hemophilia, and Sam is completely healthy. Complete the Punnett square below.

[Free] In photosynthesis, water undergoes ______ while carbon dioxide undergoes ______. A. oxidation .... reduction B. reduction .... oxidation C. no change .... oxidation D. none of the above

[Free] Why is it necessary to use the same restriction enzyme to cut two pieces of DNA that are to be joined together?

[Free] What is mutation and DNA replication?

[Free] Why do most organisms that die not leave a record of their existence?