Pseudocoelomate nematodes lack a body cavity.
A. Correct, their pseudocoel does not allow for the development and expansion of organs.
B. Incorrect, their body cavity is fully enclosed by ectoderm but is a functional body cavity.
C. Correct, they are solid from the gut to the cuticle.
D. Incorrect, although not fully enclosed by mesoderm the pseudocoel is a body cavity.
D. Incorrect, although not fully enclosed by mesoderm the pseudocoel is a body cavity.
You might also like to view...
In humans, assume that the allele for brown eyes is dominant and the allele for blue eyes is recessive. If two browneyed
individuals have a child with blue eyes, that means:a. both parents are homozygous for brown eyes. b. both parents are heterozygous for eye color. c. there is a 1/4 chance that their second child will have brown eyes. d. there is a 1/2 chance that their second child will have blue eyes. e. there is a 3/4 chance that their second child will have blue eyes
X chromosome inactivation results in the _______________________.
A. total inactivation of both X chromosomes B. inactivation of only the paternal X chromosome C. inactivation of only the maternal X chromosome D. inactivation of either the paternal X chromosome or the maternal X chromosome E. nonrandom inactivation of X chromosomes in the initial cells of tissues
You are studying a cell structure that is approximately 100 nm in size. Which of the following provides the greatest magnification you can use to see this structure?
A) brightfield microscope B) darkfield microscope C) transmission electron microscope D) phase-contrast microscope E) scanning electron microscope
Match the plate with it's purpose in the experiment
pGLO+ on LB/Amp/Ara plate A) Determine whether the experimental procedure is damaging B) Determine whether the bacteria used in the experiment were already resistant to ampicillin C) Determine whether the bacteria successfully took up the pGLO plasmid D) Determine whether the bacteria is capable of expressing the GFP gene