Parazoa
A. are pseudocoelomates.
B. exhibit bilateral symmetry.
C. include Cnidaria and Ctenophora.
D. exhibit primitive segmentation.
E. have no true tissues.
E. have no true tissues.
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For each description below, choose the type of cell division it characterizes. a. mitosis b. meiosis c. both mitosis and meiosis
______ forms genetically identical daughter cells ______ forms genetically unique daughter cells ______ forms four daughter cells ______ parent cell undergoes two rounds of cell division ______ homologous chromosomes exchange DNA prior to dividing ______ forms diploid daughter cells ______ divides after a single round of DNA replication _____ homologous chromosomes undergo synapsis ______ follows a single round of replication What will be an ideal response?
What type of pathogen is targeted by a cytotoxic T cell?
A. an encapsulated bacteria B. an opsinized pathogen C. a virus-infected host cell D. All of the answer options are correct.
The Law of Independent Assortment states that
A. Two different genes will randomly assort their alleles during the formation of haploid cells B. Two different alleles will randomly assort during the formation of haploid cells C. Two different genes will NOT randomly assort their alleles during the formation of haploid cells D. Two different genes will randomly assort their alleles during the formation of diploid cells
During the termination stage
a. a STOP codon enters the ribosome. b. release factors bind the ribosome. c. mRNA detaches from the ribosome and the polypeptide chain. d. ribosomal subunits separate. e. all of these occur