The arrangement of organs and tissues in their characteristic places in 3-D space defines _____
A) pattern formation
B) differentiation
C) determination
D) organogenesis
A
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You made your first batch (ever) of wine about 6 weeks ago. You used a new plastic garbage can, covered with plastic wrap over the top, for the process. Now you get a cup of it out of the container only to find no alcohol--just really bad juice. What went wrong?
A. The plastic of the container released chemicals that killed the yeasts. B. The yeasts were not under anaerobic conditions. C. You bought the wrong yeast species at the store. D. Your yeasts mutated into non-alcohol producing organisms.
Your botany teacher is making assignments for a research project on a plant species. She assigns you to study hemlock (Conium maculatum) and mentions that is an r-selected species. Based on this, what characteristics would you predict to be true of hemlock? Check all that apply.
_____ HABITAT: Disturbed areas like the edges of agricultural fields. _____ HABITAT: Pristine, undisturbed meadows. _____ REPRODUCTION: Large numbers of seeds produced at a time. _____ REPRODUCTION: Small numbers of large seeds produced. _____ LIFESPAN: One to two years. _____ LIFESPAN: Several decades.
What is the allele frequency of q in a population with genotypic frequencies of P = 0.3, H = 0.4, and Q = 0.3?
A) 0.3 B) 0.5 C) 0.6 D) 0.9
The binding of active CAP near the lac operon promoter decreases the rate of transcription of the lac
operon. __________________ Indicate whether the statement is true or false.