A villus contains blood capillaries and a small lymphatic capillary called a
What will be an ideal response?
lacteal
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A woman's husband is a Type I diabetic. He gives her a pen and tells her to inject him with its contents if he ever passes out due to low blood sugar. What hormone does this pen likely contain?
A. Insulin B. Oxytocin C. Glucagon D. Glycogen
The __________ have an unsegmented body, a cuticle that is molted, a complete gut, and a pseudocoelom. Fill in the blank(s) with the appropriate word(s)
Sturtevant provided genetic evidence for the existence of four pairs of chromosomes in Drosophila in which of these ways?
A) There are four major functional classes of genes in Drosophila. B) Drosophila genes cluster into four distinct groups of linked genes. C) The overall number of genes in Drosophila is a multiple of four. D) Drosophila genes have, on average, four different alleles.
According to the phylogenetic tree above, fungi are more related to:
a. land plants. b. ambozoa. c. red algae. d. metazoans. e. bacteria.