The external flap of the human outer ear is called the ____.
Fill in the blank(s) with correct word
Ans: pinna
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Why would evidence of sense organs in the head of a fossil animal (such as Haikouella) suggest a close relationship with vertebrates that is, which critical vertebrate feature would have to be present?
What will be an ideal response?
Bones are covered and lined by a protective tissue called periosteum. The inner (osteogenic) layer consists primarily of ________
A) osteogenic cells B) chondrocytes and osteocytes C) dense irregular connective tissue D) cartilage and compact bone
Which statement about DNA replication is FALSE?
A)DNA ligase adds nucleotides to the lagging strand. B)The two strands of original or parental DNA are separated during DNA replication. C)DNA polymerase III builds a new strand by adding DNA nucleotides one at a time. D)Because the two strands of original or parental DNA run in opposite directions, the new strands must be made in different ways. E)The lagging strand is made of a series of fragments that must be joined together to make a continuous strand.
All of the following is true of the electron transport system except
A) receives electrons from coenzymes. B) produces energy that supports the synthesis of ATP. C) is found on the inner mitochondrial membrane (the cristae). D) is found on the outer mitochondrial membrane. E) electrons are eventually accepted by oxygen with the formation of water.