Excessive collagen formation often results in a hard, raised scar called a
What will be an ideal response?
Keloid
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Darwin believed that acquired characteristics are passed onto progeny
A. true B. false
The rate of transcription for any one gene in any given cell type is determined by only one transcription factor
A. true B. false
D 27. The rate of diffusion through a selectively permeable membrane will be lowest when which of the following is(are) true?
I. Concentration gradients are steep. II. Temperatures are low. III. Solutes are small molecules. a. I only b. II only c. I and III d. II and III e. I, II, and III
Snakes typically are longer than lizards due to which mechanism?
A. Variation in ALX1 alleles B. Snakes have longer vertebrae C. Snakes have shorter somites D. Lizard embryos form somites at a faster rate E. Snakes form somites rapidly compared to lizards