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, […]

Biotechnology refers to the technical applications of living organisms or their functions. These applications may be used in engineering, medicine, or agriculture, to name a few. Biotechnology processes and procedures are varied and range from the domestication of animals to genetic engineering. At its core, biotechnology involves the modification of […]