Digestion is an important process in the human body. a) Identify and describe the digestive processes. b) Consider the mouth, stomach, small intestines and large intestines – identify the digestive enzymes that are present in these organs of the digestive system and identify the substances they digest. c) Include where […]

A population of sexually reproducing organisms with non-overlapping generations has two alleles: A1 and A2; p is the frequency of A1, q is the frequency of A2 (p+q=1). Allele A2 is recessive and lethal when in homozygous genotype (i.e. fitness of A2A2 is zero). Fitness of heterozygote is the same […]

1. The common ancestor of all the tetrapod vertebrates had four limbs with a similar skeletal structure to thatseen in many vertebrates today. Considering this, in what sense are the arms of humans homologous to thewings of a bird? 2. The green algal ancestors of plants existed in aquatic habitats, […]

Problem 1 As you and a friend sit together enjoying your breakfast of Fruit Loops one morning, your friend glances at the cereal box and says “What is this unsaturated, saturated fat thing? Isn’t fat just fat?”.   Draw a diagram that you could use to explain the molecular difference between saturated […]