Structural Organization of the Body

Question 1

Fundamental unit of all living things

Answer 1

Cells

Question 2

Surrounds and protects the cell; regulates what passes into and out of the cells

Answer 2

Cell Membrane

Question 3

Controls the operations, the structure and function

Answer 3

Nucleus

Question 4

rod-like structures

Answer 4

Chromosomes

Question 5

contains 23 pairs of chromosomes

Answer 5

All cells

Question 6

contains 23 unpaired chromosomes

Answer 6

Sex cells

Question 7

regions of DNA

Answer 7

Genes

Question 8

DNA

Answer 8

deoxyribonucleic acid

Question 9

regulates its activities according to its sequence

Answer 9

DNA

Question 10

recipes in codes

Answer 10

DNA sequence

Question 11

directs the activities of the cell when passed out of the nucleus

Answer 11

DNA sequence

Question 12

photograph of an individual’s chromosome, arranged by size, shape, and number

Answer 12

karyotype

Question 13

determine whether chromosomes are normal

Answer 13

karyotyping

Question 14

puncture of the sac around the fetus for removal of fluid and cells

Answer 14

amniocentesis

Question 15

shows 47 chromoxomes

Answer 15

down syndrome

Question 16

extra chromosome 21 that resulted in down syndrome

Answer 16

trisomy 21 syndrome

Question 17

materials outside the nucleus and enclosed by the cell membrane

Answer 17

cytoplasm

Question 18

carries on the work of the cell

Answer 18

cytoplasm

Question 19

supplies chemical needs of the cell through specialized apparatus

Answer 19

cytoplasm

Question 20

small sausage-shaped bodies

Answer 20

mitochondria

Question 21

principal source of energy of the cell

Answer 21

mitochondria

Question 22

use nutrients and oxygen to release energy from food

Answer 22

mitochondria

Question 23

breaking down of complex substance to simple substances

Answer 23

catabolism

Question 24

energy is released

Answer 24

catabolism

Question 25

network of canals within the cell

Answer 25

endoplasmic reticulum

Question 26

cellular tunnels that manufacture proteins

Answer 26

endoplasmic reticulum

Question 27

build long chains of proteins

Answer 27

ribosomes

Question 28

building large proteins from small proteins

Answer 28

anabolism

Question 29

small proteins

Answer 29

amino acids

Question 30

anabolism and catabolism

Answer 30

metabolism

Question 31

chemical found within each chromosome

Answer 31

DNA

Question 32

long and slender

Answer 32

muscle cells

Question 33

contains fibers that aid in contracting and relaxing

Answer 33

muscle cells

Question 34

may be square or flat

Answer 34

epithelial cells

Question 35

provide protection

Answer 35

epithelial cells

Question 36

long and have fibrous estensions

Answer 36

nerve cells

Question 37

carries impulses

Answer 37

nerve cells

Question 38

large, empty spaces for fat storages

Answer 38

fat cell

Question 39

fat cells

Answer 39

adipocytes