Chapter 6

Question 1

WHICH OF THE FOLLOWING IS THE CORRECT ORDER OF EVENTS IN MITOSIS

Answer 1

THE KINETOCHORE BECOMES ATTACHED TO THE MITOTIC SPINDLE. SISTER CHROMATIDS LINE UP AT THE METAPHASE PLATE. THE KINETOCHORE BREAKS APART AND THE SISTER CHROMATIDS SEPARATE. THE NUCLEUS RE-FORMS AND THE CELL DIVIDES

Question 2

A DIPLOID CELL HAS _____________ THE NUMBER OF CHROMOSOMES AS A HAPLOID CELL

Answer 2

TWICE

Question 3

AN ORGANISM’S TRAITS ARE DETERMINED BY THE SPECIFIC COMBINATION OF INHERITED __________

Answer 3

GENES

Question 4

CHROMOSOMES ARE DUPLICATED DURING WHAT PORTION OF THE CELL CYCLE?

Answer 4

S PHASE

Question 5

SEPARATION OF THE SISTER CHROMATIDS IS A CHARACTERISTIC OF WHICH STAGE OF MITOSIS

Answer 5

ANAPHASE

Question 6

WHAT IS NECESSARY FOR A CELL TO PASS THE G2 CHECKPOINT

Answer 6

ACCURATE AND COMPLETE DNA REPLICATION

Question 7

_______ ARE CHANGES TO THE NUCLEOTIDES IN A SEGMENT OF DNA THAT CODES FOR A PROTEIN

Answer 7

GENE MUTATIONS

Question 8

THE INDIVIDUAL CHROMOSOMES BECOME VISIBLE WITH A LIGHT MICROSCOPE DURING WHICH STAGE OF MITOSIS

Answer 8

PROPHASE

Question 9

A GENE THAT CODES FOR A POSITIVE CELL CYCLE REGULATOR IS CALLED A _____

Answer 9

PROTO ONCOGENE

Question 10

WHICH EUKARYOTIC CELL CYCLE EVENT IS MISSING IN BINARY FISSION

Answer 10

MITOSIS

Question 11

FtsZ proteins direct the formation of a ____ that will eventually form the new cell walls of the daughter cells

Answer 11

Septum

Question 12

Compare and contrast a human somatic cell to a human gamete

Answer 12

HUMAN SOMATIC CELLS HAVE 46 CHROMOSOMES
22 HOMOLGOUS PAIRS AND ONE PAIF OF NONHOMOLOGOUS SEX CHROMOSMES