One of the basic principles of ecosystems is that ________ cycle within the ecosystems
Fill in the blank(s) with correct word
nutrients
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________ is used to control transcription of some anabolic pathways involved in amino acid biosynthesis.
A. Induction B. Attenuation C. Catabolite repression D. All of the choices are correct.
Which is the correct sequence of embryonic development in eudicots?
a. globular embryo ? suspensor embryo ? proembryo ? heart stage embryo b. heart stage embryo ? globular embryo ? proembryo ? torpedo stage embryo c. torpedo stage embryo ? globular embryo ? heart stage embryo ? suspensor embryo d. proembryo ? torpedo stage embryo ? heart stage embryo ? globular embryo e. proembryo ? globular embryo ? heart stage embryo ? torpedo stage embryo
A specific type of PRRs that function as signaling receptors, bind the host cell nucleus, and initiate appropriate gene expression are called
A) PAMPs B) Toll-like receptors (TLRs) C) MHC Class I receptors D) MHC Class II receptors
Imagine that a researcher replaced the MADS-box AP1 gene with the MADS-box AG gene. One possible effect on flowers would be:
a. stamens would be changed into petals. b. petals would be changed in to sepals. c. stamens would be changed into carpels. d. petals would be changed into stamens.