Answer:
The Canals made shipping more efficient, but as an unintended consequence also allowed rapid expansion of the zebra mussel's range. By the 1830s, these mussels covered much of Europe and Britain.
Successful introduction of zebra mussels into the Great Lakes probably occurred in 1985 or 1986, after transoceanic ships discharged contaminated ballast water from foreign ports into lakes St. Clair and
DNA Base pairing rules are A pairs with T and C pairs with G. Therefore, if one strand of DNA has the sequence ATG, the complementary strand would have the sequence TAC.
Answer:
(B) Similarities among Hox genes suggest that they all arose from a single ancestral gene that duplicated many times.
Explanation:
Hox genes are arranged in clusters and their order on the chromosome is the same as the order in which they are expressed along the body during development.
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Answer:
Robert Hooke main contribution is the discovery of cell.
Explanation:
Robert Hooke (1635-1703) is an English physicist. he was the first man who discovered cell by analyzing the cork. This discovery of cell leads the way for future knowledge about the structure of all living organisms. The contributions of Matthias Schleiden was that he was the first man who analyze the structure of plant cell while on the other hand, Theodore Schwann analyze the animal cell and proposed cell theory from that.
Pancreatic<span> enzymes break down </span>food<span> in the small intestine. When </span>food<span> enters the duodenum, it is deluged with </span>pancreatic<span> juice, which is defined as an alkaline secretion of </span>the pancreas<span> containing enzymes that </span>aid<span> in the </span>digestion<span> of proteins, carbohydrates and fats.</span>
