Enzymes speed up chemical reactions by lowering this.
Activation Energy
What is responsible for maintaining cell rigidity in plants and fungi?
Cell Wall
Result of an organism being exposed to conditions outside their tolerance threshold?
DEATH
Theory that explains origin of mitochondria?
Endosymbiotic Theory
What is Mr H's dog called?
Astro
Primers
What is the reason for the folds of the mitochondrial inner membrane?
To increase surface area and hence rate of ATP production
What is the role of a motor neuron?
To send signals from CNS to PNS/Effector
Likely consequence of significant reduction in genetic diversity in a population?
Extinction
How do you catch a unique rabbit?
Unique up on it (ha)
Methylation happens to which nucleotide?
Cytosine
What process moves ions across a membrane with conc. gradient?
Facilitated diffusion
Low ADH will result in a __________ volume of urine excreted
Increased
Difference between natural selection and genetic drift?
Genetic drift acts during to chance, natural selection acts in response to selection pressures
How long would it take for us to notice if the Sun complete disappeared?
8 minutes 20 seconds
What process results in different isoforms of a protein
Alternative Splicing
It increases
Main target tissue of Glucagon?
Liver
Difference between sympatric and allopatric speciation
Allopatric - physical barrier separating populations
Sympatric - no physical barrier
How many bones are there in the neck of a giraffe?
7 (same as humans)
Which type of mutation can be inherited by offspring?
Germline mutation
What organism and what process results in formation of bubbles in brea and beer?
Ethanol respiration in Yeast
Which type of hormone must bind to extracellular receptors in order to transmit a signal?
Peptide/protein
Where are the oldest stromatolites found?
Western Australia (or Greenland)
How many Pokemon were there in the original Pokemon game?
151