The inner cell mass, which is formed when the blastula rearranges into two layers, will go on to become what?
a. myometrium
b. endometrium
c. embryo
d. placenta
c. embryo
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Treponemal antibodies are those that are:
a. produced against antigens of the organ-isms themselves. b. produced by infected patients against components of mammalian cells. c. produced by the organism that causes the systemic destruction of the disease. d. also called reaginic antibodies.
Which of the following is (are) NOT trend(s) of
vertebrate evolution? a. conversion of the support for locomotion from the notochord to the vertebral column b. expansion of the nerve cord to form the brain and spinal cord c. changes in the respiratory system from gills to lungs with accompanying changes in the circulatory system d. the development of fewer, more efficient chambers in the heart e. modification of limbs for more efficient movement
If red (RR) is crossed with white (rr) and produces a
pink flower (Rr), and tall (D) is dominant to dwarf (d), the F2 phenotypic ratio from a cross of RR dd with rr DD would be a. 9:3:3:1. b. 1:1:1:1. c. 1:2:2:4:1:2:1:2:1. d. 3:6:3:1:2:1. e. none of these.
A (furuncle/pimple/sty) is a type of folliculitis characterized by a large, painful, pus-filled nodule
What will be an ideal response?