What generally flows in one direction through an ecosystem, from producers through each level of consumers, and is not recycled?
A. honesty
B. meaning
C. believability
D. energy
Answer: D. energy
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Answer the following statements true (T) or false (F)
1. If sucrose is composed of both glucose and fructose, then sucrose must be a monosaccharide. 2. Lipids and carbohydrates can both be used by animals to store energy. 3. Saturated fats are composed of fatty acids with several double bonded carbons. 4. A polyunsaturated fat contains fatty acids with multiple double bonded carbons.
Many of the color varieties of summer squash are determined by several interacting loci: AA or Aa gives white, aaBB or aaBb gives yellow, and aabb produces green. Assume that two fully heterozygous plants are crossed
Give the phenotypes (with frequencies) of the offspring.
Which of the following increases oxygen unloading from hemoglobin?
A) increased oxygen levels in the tissue B) increased blood pH C) decreased metabolism D) decreased temperature E) increased carbon dioxide in the tissue
Transcribe the DNA gene strand with the base sequence CCA - TAT - TCG into mRNA.
A. CCA - TAT - TCG B. CCA - UAU - UCG C. GGU - AUA - AGC D. GGT - ATA - AGC