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April 20, 2014

Homework Help: 7th grade science Ms. Sue please only 5 questions

Posted by Delilah on Thursday, December 6, 2012 at 5:31pm.

11.

Which of these is selectively permeable?
(1 point)

door

window screen

wall

mirror

12.

The process that releases energy without using oxygen is ____.
(1 point)

photosynthesis

respiration

osmosis

fermentation

13.

The chromosomes in the nucleus of a cell contain a code known as ____.
(1 point)

RNA

mitosis

meiosis

DNA

14.

A cell that has two of every kind of chromosome is ____.
(1 point)

haploid

diploid

an egg

a sperm

15.

Each human skin cell has ____ pairs of chromosomes.
(1 point)

13

18

23

46

16.

In ____ a body part regrows and may form a new organism.
(1 point)

fission

budding

regeneration

sexual reproduction

My answers:
11. window screen
12. fermentation
13. DNA
14. diploid
15. 23
16. regeneration

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