Question

Choose the false statement:

A. If cellular respiration were to stop, as occurs in the absence of oxygen or presence of cyanide, the amount of ATP stored in the cell could keep it alive for 1-2 hours.

B. Cells that require more energy to function, such as muscle or liver cells, have many more mitochondria than those requiring less energy, like RBC’s or skin cells.

C. The purpose of alcoholic fermentation by yeast cells is to re-oxidize the NADH back into NAD; this is needed for glycolysis so that cells can continue to make 2ATP/glucose in the absence of oxygen.

Choose the false statement:

A. The specificity of base pairing refers to the combinations of nucleotide bases that are able to hydrogen bond with each other across adjacent strands of the double helix.

B. The specificity of base pairing is only important in two cellular processes, transcription and translation.

C. The term semiconservative is applied to the DNA replication process; here each replicated chromosome is composed of one newly synthesized strand, and the other strand comes from the original chromosome.

Which of the following statements about pattern formation genes (e.g., the Hox genes) is correct:

A. They provide a means of explaining how a mutation in a single gene can result in significant evolutionary changes, including the rapid appearance of complex structures.

B. An understanding of how these genes operate helps us explain punctuated equilibrium eliminates the notion that the fossil record should contain innumerable numbers of transitional forms.

C. Our understanding of these genes confirms that microevolutionary principles can be applied equally to account for micro- and macroevolutionary changes.

D. a and b are correct

Answer 1

The false statement is 'If cellular respiration were to stop, as occurs in the absence of oxygen or presence of cyanide, the amount of ATP stored in the cell could keep it alive for 1-2 hours'. Hence, the correct answer is option 'A'.

The false statement is 'The specificity of base pairing is only important in two cellular processes, transcription and translation'. Hence, the correct answer is option 'B'.

The correct statement is 'They provide a means of explaining how a mutation in a single gene can result in significant evolutionary changes, including the rapid appearance of complex structures'. Hence, the correct answer is option 'A'.