Biology Answers

Using your knowledge of bone cells, discuss the steps involved in endochondral ossification and resorption. Include a description of the components of both the organic and inorganic parts of the matrix, and the physical properties they contribute to bone. (8 marks)
Discuss the effect Tarni’s age and sex has on bone remodelling.

what is the three parts of the modern cell theory

Draw the structure of the peptide E-N-T-R-P-Y at pH 3, pH 7 and pH 11.

What does the atomic number stand for? Is it the number of protons and neutrons?

Growers often wrap potted plants in plastic sleeves prior to shipping. If plants remain in these sleeves too long, their leaves curl and fall off. Imagine you are working at a garden center and have been asked to make a presentation to a local garden club. Explain the processes that may cause the leaves to drop and fall.

Given a diploid number of 2N=8 and atleast 2 crossing over events, trace the fate of these chromosomes until the formation of haploid daughter cells in Meiosis II.

According to McNamara, et al., what was the problem that led to the existence of biotechnology?

Calculate the actual phosphoryl group transfer potential for 1,3-bisphosphoglycerate (1,3-BPG) at 37oC given ambient concentrations of [1,3-BPG] = 0.0015 mM, [3-PG] = 0.2 mM, and [Pi] = 6 mM; assume standard [H2O]. Enter your final answer, expressed in kJ/mol, rounded to the nearest tenth, in the space provided below.