Per kilogram of body weight, at 6 months of age, a child's energy needs are approximately how many times higher than adult needs?
What will be an ideal response?
2-4
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How is the color of each of the major photosynthetic pigments (chlorophyll a, chlorophyll b, carotenes, and xanthophylls) related to the light wavelengths absorbed by that pigment?
What will be an ideal response?
Predict whether or not each of the following substances can cross a biological membrane directly. Give a reason for each prediction
a. Nucleotides b. Na+ c. Steroid hormones d. Polar amino acids e. Water f. Oxygen g. Cl? What will be an ideal response?
Which of the following identifies a group of RNA viruses?
a. Poxviruses
b. Herpesviruses c. Papovaviruses d. Adenoviruses e. Paramyxoviruses
Vegetative reproduction, budding, and fragmentation are examples of
A.) asexual reproduction. B.) sexual reproduction. C.) prokaryotic colony formation. D.) increased genetic variation.