Take your time and get right answers if you dont know dont answer 50 points
question 13
what determines the similarities in anatomical features among organisms? a) geographical location
b) weather and climate
c)shared habitat
d) genes and chromosomes

question 14
what controls the cell's ultimate production of proteins?
a) mitochondria
b) dna
c) allele
d) rna

question 16 what is true about the relationship of dna and chromosomes? a) chromosomes manufacture the proteins that build the dna molecule. b)chromosomes unwind the dna molecule so that sections can be made into genes by rna.
c) various nucleotide sequences of dna code for different chromosomes. d) each chromosome contains a single, tightly wound dna.

question 18
what role does mrna play in the delivery of genetic code information? a) mrna reads the code from one gene on a chromosome and then delivers that message to rrna.
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.
c) mrna transports a gene segment to trna where the code is read and an amino acid is made.
d) mrna collects the dna from all of the chromosome and duplicates it using nucleotide base pairs.

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.
b) the body cell has 26; the sex cell has two.
c) the body cell has 1n; the sex cell has 2n.
d) the body cell has 24; the sex cell has 26.

question 20
which of these statements is true?
a) mitosis produces four identical cells.
b) mitosis brings genetic variety to a species.
c) meiosis involves two cycles of cell division.
d) meiosis your body heal itself.

question 21
which phase of cell division includes the pinching off or cleaving of the cell into two new cells?
a) prophase
b) metaphase
c) anaphase
d) telophase

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.
b) the chromosomes have coiled and become more compact.
c) the chromosome pairs collect in a line across the middle of the cell. d) the chromosomes separate at the centromere and begin to move apart.

question 23
which phase of cell division results in the formation of four new haploid cells? a) prophase i of meiosis
b) anaphase ii
c) telophase i
d) telophase ii

question 24
which statement describes the chromosomes by the end of telophase ii of meiosis?
a) the chromosomes in each of two haploid cells coil and become more compact. b) the chromosomes in each of two haploid cells line up in the middle of the cell. c) the chromosomes of two diploid cells split apart at the centromere. d) the chromosomes of each of two diploid cells reach opposite sides of the cell, incorporating into two haploid nuclei.