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April 18, 2014

Homework Help: 7th grade science Ms. Sue please check

Posted by Delilah on Friday, November 2, 2012 at 11:08pm.

Hi! Can you check my answers please and I need help on 4 and 5 I cannot find the answers!!!! Please help!

2.

_____ transports materials within a cell and between cells and makes up ______ percent of most organisms.
(1 point)

Fat; 60

Protein; 40

Sugar; 75

Water; 50

3.
Which of these measures will not help a viral infection? (1 point)

antibiotics
controlling animals that spread disease
improving sanitary conditions
vaccinations

4.
Prokaryotic cells are found in (1 point)

plants and some protists.
only one-celled organisms.
animals and fungi.
only fungi.

5.

_________, which are not found in plant cells, contain _______ to break down food and cell waste.
(1 point)

Chloroplasts; bacteria

Golgi bodies; cellular molecules

Lysosomes; digestive chemicals

Mitochondria; chemicals

6.
A virus contains which of these parts? (1 point)

cell membrane
hereditary materials
organs
ribosomes

My answers:
2. Water; 50
3. antibiotics
4. ??????
5. ???????
6. hereditary materials

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