Animals with a crown of cilia that look like a spinning wheel are the:A
bryozoans.
B. phoronids.
C. ctenophores.
D. rotifers.
E. platyhelminthes.
D
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What is the correct order of reproduction in members of phylum Basidiomycota?a. Cytoplasmic fusion results in a dikaryotic mycelium.b. The mycelium produces basidiocarps.c. Nuclear fusion produces a diploid nucleus.d. Meiosis produces basidiospores.e. Spores germinate into haploid hyphae.f. Basidia develop on the gills of the mushroom.g. Basidiospores are released.
A. a - c - f - d - c - g - e B. a - b - f - d - c - g - e C. a - b - f - c - d - g - e D. a - d - b - f - c - g - e
Which of the following serves as a temporary endocrine gland in females, and what does it secrete?
a. the corpus luteum; estrogen and progesterone b. the uterus; luteinizing hormone and follicle-stimulating hormone c. the endometrium; estrogen and follicle-stimulating hormone d. the ovaries; estrogen and luteinizing hormone
To which of the following does the term heteroplasmy refer?
A) various stages of development of mitochondria and chloroplasts B) cells with a variable mixture of normal and abnormal organellar genomes C) conditions in which the germ plasm is a mixture of dominant and recessive genes D) a circumstance that is homologous to incomplete dominance E) heterozygous individuals with more than one gene pair involved
The microbes used by fermentation industries are mutant strains that synthesize large quantities of the desired product.
Answer the following statement true (T) or false (F)