it's kinda hard
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Cells have a nucleus. The nucleus contains DNA. Chromosomes are inside of the DNA. The DNA carries the gene.
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DNA is made out of two long, twisted strands that contain complementary genetic information (like a picture and its negative). A gene is a segment of DNA that is passed down from parents to children and confers a trait to the offspring. Genes are organized and packaged in units called “chromosomes.”
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What determines the similarities in anatomical features among organisms?
D) Genes and chromosomes
What controls the cell's ultimate production of proteins?
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
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.
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.
Which of these statements is true?
C) Meiosis involves two cycles of cell division.
Which phase of cell division includes the pinching off or cleaving of the cell into two new cells?
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.
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.
Which phase of cell division results in the formation of four new haploid cells?
D) telophase II
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.
this just confused the heck out of me
elements make up everything, and they combine to make compounds.
the answer is c