Download 7th grade chapter 2 review keys

7th grade chapter 2 review
1) Roughly how many scientists contributed to the development of the cell theory?
2) Are plants and animals both made of cells?
3) Are all cells very small?
4) How are passive transport and active transport different?
5) Are diffusion and osmosis active or passive transport?
6) Do plants undergo respiration?
7) What types of organisms chlorophyll?
8) What is released by photosynthesis?
A) what is stored?
B)what is at the start of photosynthesis?
9) What must a cell have for photosynthesis to take place?
10) What is broken down in respiration?
11) Do most organisms utilize respiration?
12) Which of these are macromolecules?
a)
b)
c)
d)
e)
f)
DNA
Water
Carbon Dioxide
Cholesterol
Cellulose
lipids
13) Which macromolecule helps function as part of a protective membrane?
14) In a cell, what organelle would be the most likely location of nucleic acids?
15) Which macromolecules provide energy?
16) What substance makes up carbohydrates?
17) What is the function of a cell membrane?
18) What organelle is needed for photosynthesis?
19) Which organelle prepares proteins into vesicles for transport?
20) What is RNA used to make in a cell?
21) What is the main difference between prokaryotic and eukaryotic cells?.
22) What do lysosomes do?
23) Glycolysis breaks down what substance?
24) What is the waste product of photosynthesis?
25) If glucose is broken down and alcohol is given off, what process has occurred?
26) What form of energy is need for photosynthesis to occur?
27) What is usually the largest organelle in a cell?
28) Bacteria have which type of cell?
29) How do materials enter and leave the cell?
30) If something is too large to pass through the cell membrane, how could it enter the
cell?
31) Define osmosis.
32) During strenuous activity, what might your muscle cells run low on?
33) What process releases energy without using oxygen?
34) What is produced during photosynthesis?
35) During respiration, what is released from the food?
36) Why do tree leaves usually look green?
37) Be able to name each of the labeled parts in the diagram of the cell below.
38)
39) What is the source of the energy used in photosynthesis?
40) What process causes a plant to wilt?
41) What is the main property of a molecule that determines if it can pass through a
semipermeable membrane?
42) Which organelles store food, water, and waste material?
43) What is the protective layer around all cells?
44) Where in a cell is the energy in food stored until it is released?
45) What protects the cells of plants?
46) What are flattened membranes that package proteins?
47) Name the gelatinlike material inside the cell membrane.
48) Give a term that describes any of the structures within the cytoplasm of eukaryotic
cells.
49) What directs all the activities of a cell?
50) How is a plant cell different from an animal cell?
51) What are the 3 parts of the cell theory?
52) Why are mitochondria important to life?
53) If you are looking at a cell that is green, how would you know if it’s a plant or an
animal?
54) Where in a cell does fermentation take place?
55) Where does respiration begin and take place in a cell?
56) How is osmosis related to diffusion?
57) Why is water necessary for life?
58) Why is respiration almost the opposite of photosynthesis?
59) Why does photosynthesis slow down as fall approaches?