In seed plants, the transfer of immature male gametophytes to female reproductive parts is a process called ____
a. meiosis
b. pollination
c. fertilization
d. mitosis
e. sporulation
ANSWER: b
You might also like to view...
What is a sensory receptor?
A. a nerve cell specialized to detect particular stimuli B. a membrane protein the binds to a sensory ligand C. the dendritic field of a sensory neuron D. a specialized tissue like the eye
Place these genes in their temporal order of expression from earliest to latest during Drosophila development.
A. Bicoid, Gap, Homeotic B. Homeotic, Gap, Bicoid C. Homeotic, Bicoid , Gap D. These genes are not expressed at different times during development. They are expressed at the same time, but in a different spatial order. E. Kruppel, gooseberry, even-skipped
What do transcription factors do?
a. speed up transcription b. slow the rate of gene expression c. stop gene expression completely d. increase the amount of proteins produced e. transcription factors do more than one of these
Which trophic level in a food chain would it be most damaging to remove? What will be an ideal response?