Science

Please cheakyour my answers for me
1. Enzymes are important because they
A. Contain Water
B. Speed up chemical reactions *****
C. Contain genetic material
D. Help the cell maintain its shape

2. Which term refers to the diffusion of water through the membrane
A. Osmosis*****
B. Engulfing
C. Active transport
D. Facilitated transport

3. What happens in the phloem
A. Water moves up from the roots
B. Food moves down from the leaves
C. Food moves up from the roots
D. Water moves down to roots *****

4. When temperature of the enviorment changes the body temperature of a reptile
A. Changes
B. Stays the same
C. Always increases *****
D. Always decreases

5. A grapevine growing around a fence post is an example of
A. Phototropism
B. Photoperiodism
C. Geotropism *****
D. Thigmotorpism
My answers=*****

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asked by Banana
  1. 1, 2, 5 Agree

    3. Phloem is the vascular tissue responsible for the transport of sugars from source tissues (ex. photosynthetic leaf cells) to sink tissues (ex. non-photosynthetic root cells or developing flowers). Other molecules such as proteins and mRNAs are also transported throughout the plant via phloem.

    4. The reptile's body temperature rises when the external temperature rises. When the temperature drops, so does his body temperature.

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    2. 👎 2
    posted by PsyDAG

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