Osmosis is best defined as the movement of
What will be an ideal response?
water molecules across a membrane from an area of high water concentration to an area of lower concentration.
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Blue light has energy than red light and is by a green leaf.
A. less; absorbed B. more; absorbed C. more; reflected D. less; reflected E. equal; reflected
Which chemical is used to keep chromosomes from
separating during metaphase? a. Giemsa stain b. acetone c. colchicine d. alcohol e. formaldehyde
Does ADP contain the capacity to provide energy for the cell?
A. Yes. ADP has the same capacity to provide energy for the cell as ATP. B. Yes. Cleaving the bond between the terminal phosphate and the phosphate attached to the ribose sugar can provide energy for the cell. C. Yes. Cleaving the bond between the ribose sugar and the two phosphate groups can provide energy for the cell. D. No. ADP does not contain any bonds that can be broken to provide energy for the cell.
The text indicates that the digestive tract in vertebrates is ventral to (beneath) the backbone. Yet our digestive tract is in front of our backbone, which is still considered ventral. Why is this an appropriate statement?
A) Terms like ventral that describe spatial relationships between structures are based on a common body plan of a creature who walks on four legs and in that case the digestive track would be ventral to the backbone. B) Humans have entirely different organ arrangements than any other vertebrates so words like ventral take on entirely different meanings. C) It is wrong to say that our digestive track is ventral to the backbone.