Why is it possible for multicellular green and red algae to reproduce asexually by fragmentation but not the brown algae?
What will be an ideal response?
The main reason for this is the simple, unspecialized nature of the tissues of green and red algae. Since one part of the thallus looks essentially the same as another, these cells can simply break off and grow mitotically into a new thallus. Kelps do not generally reproduce via fragmentation because their tissues are too specialized.
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Iridium is more common in meteorites than in the crust of the Earth
a. True b. False Indicate whether the statement is true or false
If the gene for yellow body color (y) is an X-linked recessive and its dominant counterpart (y+)
produces wild body colors, give the phenotypes expected and their frequencies for the following four crosses: (a) yellow female ? wild male (b) wild carrier female ? wild male (c) wild carrier female ? yellow male (d) homozygous wild female ? yellow male What will be an ideal response?
The stage of viral replication in which viral components are put together to form new viruses is:
a. Release b. Assembly c. Attachment d. Penetration e. Synthesis
Riftia tube worms make a unique kind of hemoglobin to ________.
A. transport hydrogen sulfide B. transport oxygen C. to assist in the transport of carbon dioxide D. All of the choices are correct.