Answer:
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Explanation:
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What determines the similarities in anatomical features among organisms?
D) Genes and chromosomes
QUESTION 14
What controls the cell's ultimate production of proteins?
B) DNA
QUESTION 16
What is true about the relationship of DNA and chromosomes?
A) Chromosomes manufacture the proteins that build the DNA molecule.
Chromosomes carry genetic information in a molecule called DNA
QUESTION 18
What role does mRNA play in the delivery of genetic code information?
B) mRNA copies the code from one segment of DNA that represents one gene and then carries it out of the nucleus to a ribosome.
Messenger RNA (mRNA) carries the genetic information copied from DNA in the form of a series of three-basecode “words,” each of which specifies a particular amino acid.
QUESTION 19
A snapping turtle has 52 chromosomes. Which statement correctly compares the number of chromosomes in a body cell with that in a sex cell of a snapping turtle?
A) The body cell has 2n; the sex cell has 1n.
QUESTION 20
Which of these statements is true?
C) Meiosis involves two cycles of cell division.
QUESTION 21
Which phase of cell division includes the pinching off or cleaving of the cell into two new cells?
D) telophase
Telophase refers to the last stage of the mitosis in which the cellular content of the parent cell is divided equally into the two daughter cells.
QUESTION 22
Which statement describes the chromosomes by the end of anaphase of mitosis?
A) The chromosomes reach opposite sides of the cell and begin to be incorporated into two new nuclei.
QUESTION 23
Which phase of cell division results in the formation of four new haploid cells?
D) telophase II
QUESTION 24
Which statement describes the chromosomes by the end of telophase II of meiosis?
D) The chromosomes of each of two diploid cells reach opposite sides of the cell, incorporating into two haploid nuclei.
