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Questions in biology

[Answered] What is the overall net gain of ATP in aerobic respiration per one molecule of glucose? A. between 0-10 B. between 10-20 C. between 30-40 D. between 40-50

[Answered] Which of the following best describes the reduction of the coenzyme NAD? A. [tex]$NAD + H \rightarrow NADH$[/tex] B. [tex]$NAD ^{+}+ H \rightarrow NADH$[/tex] C. [tex]$NAD ^{+}+ H \rightarrow NADH _2$[/tex]

[Answered] Identify the correct term using the descriptions provided. A group of organisms of the same species that live in an area:

[Answered] In diploid organisms, having two homologues of each chromosome can be beneficial if one allele of a gene encodes a nonfunctional protein. Can haploid organisms avoid the negative effects of nonfunctional alleles? A. No, because there are two chromosomes each with a single allele that is always the same, and one cannot compensate for the other being nonfunctional. B. Yes, because there are two chromosomes each with a single allele that is always the same, and one can compensate for the other being nonfunctional. C. No, because there is only one allele for the gene in each cell, and the nonfunctional allele has no other allele to mask it. D. Yes, because there are always other alleles for other genes that will compensate for a nonfunctional allele. E. Yes, because there is only one allele for the gene in each cell, and the nonfunctional allele will be masked by another allele of a different kind.

[Answered] Jillian is a new mother. The first time she nursed her baby, she instantly bonded. This is MOST likely caused by the release of the hormone: A. oxytocin B. estrogen C. adrenaline D. serotonin

[Answered] Which of the following processes occurs in the liver? A. bile production B. HCl production C. production of most digestive enzymes D. bile storage

[Answered] In a balanced ecosystem, the number of producers herbivores tertiary consumers is far greater than the number of

[Answered] Toxicology is the study of A. viruses. B. transportation. C. poisons. D. cancers.

[Answered] How did we get from a few thousand cells to more than a million? a) Large number of offspring per generation b) Very quick rate of meiosis c) Bacteria lay thousands of eggs d) Doubling by binary fission

[Answered] Which of the following correctly sequences the segments of the small intestine? A. duodenum; jejunum; ileum B. jejunum; ileum; duodenum C. ileum; colon; jejunum D. ileum; esophagus; colon