Golden rice:
can make vitamin A without beta-carotene.
could help the 250,000 children each year who are at risk of blindness due to vitamin A deficiency.
supplies more vitamin A in one serving than an individual needs in a full week.
is an example of organic farming.
grows without a husk, thereby reducing the processing required before it can be consumed.
could help the 250,000 children each year who are at risk of blindness due to vitamin A deficiency.
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Its defoliant effects were first noticed when it leaked from gas lights; later found to be produced by plants themselves.
Choose the letter of the best match: A. abscisic acid B. auxin C. ethylene D. cytokinin E. gibberellin
The 21st and 22nd amino acids found in proteins are the rare amino acids ________ and ________
Fill in the blank with correct word.
Answer the following questions true (T) or false (F)
1. The X and Y chromosomes are not homologous, but in the meiosis of sperm formation, they pair and separate in anaphase I as though they were homologous. 2. Mendel's contribution to genetics was the discovery of DNA. 3. Mendel's crosses with pea plants disproved the notion that, when individuals with two different traits are mated, the genetic information blends in the offspring and is not retained as separate elements.
Insects that lay eggs on living hosts are called
A. ectoparasites. B. endoparasites. C. predators. D. brood parasites. E. parasitoids.