Animals are classified according to all of the following features EXCEPT
A. type of body symmetry.
B. mode of reproduction.
C. presence or absence of segmentation.
D. molecular data.
E. number of germ layers.
Answer: B
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Which of the following is not an essential component of the eukaryotic termination and release stage of translation?
A. stop codon in mRNA B. eRF1 C. eRF3 D. eEF2
If the two alleles for a particular gene are identical the gene pair is
A. homozygous. B. dominant. C. homologous. D. recessive. E. heterozygous.
The instantaneous per capita rate of growth (r) of a growing population is greater than zero
Indicate whether the statement is true or false
Which of the following is/are TRUE regarding the function of the amygdala?
a. amygdalectomy leads to decreased fear and aggression b. electrical stimulation of the amygdala leads to reduced vigilance and attention levels c. human patients with amygdala damage fail to recognize fear in the facial expressions of others a. all of the above b. a and c