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Semmy [17]
3 years ago
11

What is the name of the drug that is a psychomotor stimulant with a chemical structure similar to methamphetamine that was origi

nally patented in germany in 1928?
Biology
1 answer:
Greeley [361]3 years ago
3 0
I believe it is Methcathinone
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When plants that are heterozygous for round seeds are crossed, what is the probability that the offspring will have wrinkled
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3 years ago
As with all multicellular organisms, homeotic genes in plants control morphogenesis (how the tissues and organs of the plant are
joja [24]

Answer:

a. True

b. True

c. False

d. True

e. False

f. False

g. True

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The homeotic genes refer to evolutionarily conserved genes that modulate the development of different structures in organisms of the same groups (in this case, plants).  Moreover, homeobox genes are genes that encode transcription factors involved in the regulation of development in eukaryotic organisms. The knotted1 (<em>kn1</em>) gene is a plant homeobox gene is a member of the <em>kn1</em> homeobox (<em>knox</em>) gene family, which is responsible for maintaining indeterminacy and preventing cellular differentiation. In maize, <em>kn1</em> plays a key role in maintaining the cells of the shoot apical meristem in an undifferentiated state, being mainly expressed in shoot meristems during postembryonic stages of shoot development. It has been observed that maize mutant plants where <em>kn1</em> is ectopically expressed (i.e., in tissues in which this gene is not normally expressed) exhibit proximal-distal patterning defects.

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3 years ago
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