1- Normal humans have __________ pairs of autosomes and ___________ pair(s) of sex chromosomes.
22 and 1
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5
A structure found in the plant cell and gives its definite shape
cell wall
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5
a) They may differ in number, but are the same shape and size. b) They may differ in the shape and size, but normally have the same number. c) They may differ in number, shape, and size. 1- Which of the following statements is true about ce
B
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5
1- Chromosomes are found in _____________________ of cells.
the nucleus
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eraser
Reset score!
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seesaw
Swap points!
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fairy
Take points!
5
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20
25
baam
Lose 20 points!
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5
5- The sex chromosomes of normal females are:
X and X
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seesaw
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shark
Other team loses 15 points!
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fairy
Take points!
5
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20
25
banana
Go to last place!
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seesaw
Swap points!
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seesaw
Swap points!
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rocket
Go to first place!
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baam
Lose 20 points!
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baam
Lose 25 points!
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shark
Other team loses 20 points!
Okay!
gift
Win 15 points!
Okay!
thief
Give points!
5
10
15
20
25
5
1- Which of the following statements about living cells is false? a) Most are microscopic b) They are found in all animals but not in all plants. c) They are the smallest basic units that can carry out all of the functions that we normal
B
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5
The magnification power of the electron microscope reaches about ....
1 million times
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5
a) the nucleus b) the cytoplasm c) both the nucleus and the cytoplasm 1- Which of the following statements is true about the chromosomes of different plant and animal species? a) They may differ in number, but are the same shape an
C
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5
The cell can consume the carbohydrates in the form of .... to get energy