Oxygen diffues out of the blood into the tissues because the partial pressure of oxygen of tissu fluid is _________ that of blood
A) higher than
B) the same as
C) LOWER THAN
Answer: C) lower than
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A mutation is more likely to affect a differentiated cell than a stem cell due to
A) skewed distribution of parental versus newly replicated DNA. B) a conscious effort on the part of the individual. C) lack of DNA replication in stem cells. D) skewed distribution of stem and progenitor cells.
Describe how fever enhances the immune response
What will be an ideal response?
In eukaryotic cells, if you compared the DNA sequence of a gene with the sequence of the processed mRNA that was transcribed from the gene you would find
A. both are the same length. B. the mRNA is shorter because it does not contain introns. C. the mRNA is longer because each codon of one amino acid encodes three bases. D. the mRNA is shorter because each codon of three bases encodes only one amino acid. E. the mRNA is shorter because it does not contain exons.
Which of the following statements below is an incorrect link in human gamete production?
A. Gametogenesis produces gametes in human testes and ovaries. B. Human eggs are produced by oogenesis in the ovaries. C. Meiosis to form eggs is only completed if an egg cell is fertilized. D. Human sperm are formed through spermatogenesis in the testes. E. Gametes form after meiosis, in the process of parthenogenesis.