Answer the following question given this paragraph: Besides the four parts listed above, many cells also have a nucleus. The nucleus of a cell is a structure enclosed by a membrane that contains most of the cell's DNA. Cells are classified in two major groups based on whether or not they have a nucleus. The two groups are prokaryotic cells and eukaryotic cells. Q: What structure of a cell is enclosed by a membrane and contains most of the cell's dna? Choices: - vacuole - ribosome - epidermis - nucleus A:
nucleus
(Question)
Answer the following question given this paragraph: Hemophilia is a sex-linked trait. Carrier mothers can pass along the affected allele to 50% of their sons. Females with hemophilia would have to receive an affected allele from each parent, making females with hemophilia rare. Q: What disease is given as an example of a sex-linked trait? Choices: - arthritis - hypertension - emphysema - hemophilia A:
(Answer)
hemophilia
Ques: Answer the following question given this paragraph: Q: Is the digestive tract of many sharks longer or shorter than many other vertebrates? Choices: - heavier - longer - narrower - shorter A:
Ans: shorter
(Q).
Answer the following question given this paragraph: Q: What is the percentage of production transferred from one trophic level to the next Choices: - robust efficiency - underlie efficiency - hypothesized efficiency - trophic efficiency A:
(A).
trophic efficiency
Ques:Answer the following question given this paragraph: If two monosaccharides bond together, they form a carbohydrate called a disaccharide . An example of a disaccharide is sucrose (table sugar), which consists of the monosaccharides glucose and fructose ( Figure above ). Monosaccharides and disaccharides are also called simple sugars . They provide the major source of energy to living cells. Q: What do you call the carbohydrate formed when two monosaccharides bond together? Choices: - calcite - glucose - hydroxyl - disaccharide A:

Ans:disaccharide
Ques: Answer the following question given this paragraph: Some organisms can reproduce sexually or asexually. Under what conditions might each type of reproduction be an advantage?. Q: The myod protein deserves its designation as a master regulatory what? Choices: - hormone - protein - enzyme - gene A:
Ans:
gene