Biochemistry
NADPH and ATP are consumed in which portion of photosynthesis?
Calvin Cycle
Which components of the cytoskeleton act as tension-bearing elements?
Microfilaments and intermediate filaments
Which type of immunity contains a small set of receptors against a broad range of pathogens, and delivers a rapid response?
Innate
Eukaryotes that produce spores and feed on organic matter generally belong to which kingdom?
Fungi
A dog salivating at the sound of a bell initially rung to signal the arrival of food is an example of ...
Branching points in starch contain which type of linkages?
alpha 1-6
Bacterial cells in which the F factor is incorporated into the chromosome are known as ...
Hfr cells
Since the primary function of the descending loop of Henle is water reabsorption, its membrane has a high proportion of which protein?
aquaporin
Animals which form a blastula that contains only two germ layers - the ectoderm and endoderm - are known as ...
Diploblasts
Which survivorship curve would be characteristic of a sea urchin?
Type III
Hydrogen bonding can be present at which level(s) of protein folding?
Secondary, tertiary, and quaternary structures
The antibiotics streptomycin and tetracycline target which structures in prokaryotes, ultimately leading to a halt in protein synthesis?
Ribosomes
What condition results when levels of growth hormone (GH) are excessive in adulthood?
acromegaly
Which invertebrate phylum is characterized by a closed circulatory system, coelom, metanephridia, segmentation, and includes leeches?
Annelida (or annelids)
What type of mimicry occurs when two unpalatable species resemble each other?
Müllerian
The process in which fatty acids are catabolized to produce NADH, FADH2 and acetyl Co-A, is known as ...
Beta oxidation
The protein transcribed from the lacI DNA region binds to which portion of the lac operon?
Operator
CO2 that diffuses from the blood to the cerebrospinal fluid (inc/dec) _____ its pH and thus leads to an (inc/dec) _____ in the rate of breathing.
decreases; increase
Which mesoderm cells, found in vertebrates, arise along the neural tube in development and eventually disperse to form teeth and nerves?
Neural crest
Low certainty of paternity and a high degree of female care is associated with what type of fertilization?
Internal
Which two amino acids are known as "helix-breakers" due to their tendency to disrupt the regular conformation of alpha-helices?
Proline and glycine
In smooth muscle cells, which structures functionally replace Z lines as the sites of attachment for thin filaments?
Dense bodies
Which portion of the electrocardiogram corresponds to depolarization of the atria?
P wave
Insects such as beetles, butterflies, and moths, all undergo which type of maturation process from larvae to adult?
Complete metamorphosis
The island equilibrium model states that as the number of species increases, the rate of immigration _____ and the rate of extinction ______.
decreases; increases