In humans, which of these structures is not made of cartilage?
A. Outer ear
B. Knee cap
C. Intervertebral disks of the backbone
D. Larynx
E. Tip of the nose
Answer: B
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Donn and Sabine have three children: identical twin sons (Gerard and Gerome) and a daughter (Eliza). To which
family member would Gerard's MHC genes be the most similar?
a. Donn b. Sabine c. Eliza d. Gerome
e. Gerome, Eliza, and Gerard have identical MHC genesThere are seven cervical vertebrae located in the neck and during the course of evolution, these vertebrae have become fused.
a. true b. false
In a muscle contraction event, what causes the
release of calcium from its endoplasmic reticulum?
a. the hydrolysis of ATP b. the formation of ATP c. the formation of the actin-myosin crossbridge d. a signal from a motor neuron e. the shortening of the sarcomere
Early primates arose
a. in tropical forests of East Africa. b. in temperate savanna and grassland habitats. c. near rivers, lakes, and streams in the East African Rift Valley. d. in caves with abundant supplies of insects. e. in all of these places.