Ch 8

Front 1

In____________ _____________ two parents produce genetically variable gametes by meiosis

Back 1

Sexual Reproduction

Front 2

Mitotic cell division produces identical eukaryotic cells used in growth, tissue repair, and ______________ _______________

Back 2

Asexual Reproduction

Front 3

_____________ is programmed cell death

Back 3

Apoptosis

Front 4

______ _______________ adds DNA nucleotides to a short RNA primer

Back 4

DNA Polymerase

Front 5

A chromosome (densely packed DNA) consists of _________________ (DNA plus protein, normally loosely packed and dispersed in the nucleus when the cell is not dividing).

Back 5

Chromatin

Front 6

Once replicated, a chromosome consists of two identical sister _______________ attached at a section of DNA called a centromere

Back 6

Chromatids

Front 7

The ______ _______ is a sequence of events in which a cell is preparing to divide (interphase), dividing its genetic material (mitosis), or dividing its cytoplasm (cytokinesis).

Back 7

cell cycle

Front 8

____________ includes gap periods, G1 and G2, when the cell grows and produces molecules required for cell function and division

Back 8

Interphase

Front 9

DNA replicates during the __________ period (S).

Back 9

synthesis

Front 10

In _________, the chromosomes condense, the nucleolus disassembles, and the spindle forms

Back 10

prophase

Front 11

In __________________, the nuclear envelope breaks up, and spindle fibers attach to kinetochores

Back 11

prometaphase

Front 12

In ___________, spindle fibers align replicated chromosomes along the cell's equator

Back 12

metaphase

Front 13

In ___________, the chromatids of each replicated chromosome separate, sending a complete set of genetic instructions to each end of the cell

Back 13

anaphase

Front 14

In _________, the spindle breaks down, and nuclear envelopes re-form

Back 14

telophase

Front 15

____________________ is the physical separation of the two daughter cells

Back 15

Cytokinesis

Front 16

_______________ _______ _________ give rise to all cells in the body; ______ _______ ________ produce only a limited subset of cell types

Back 16

Embryonic stem cells; adult stem cells