Biology Answers

Describe antigen processing, epitope presentation and clonal selection, activation, expansion, and end result of humoral immunity be as detailed as possible

1. What is "junk DNA"? Does if vary across different organisms? Explain.

how does your body change the starch molecules into fat molecules?

Suggest effect the wind speed has on the movement of air bubbles

Describe the structure and function of alveoli.

What area of skin should a researcher take in order to study glands with apocrine and holocrine secretion? What morphological features are characteristic of these glands?

evaluate the significant of chromosomal behaviour during cell division and how it leads to variation provide justified arguments as to how crossing over and independent assortment leading to the variation within an organism

discuss the behaviour of the chromosomes during mitosis and meiosis in each stage of cell division

ensure to cover - mitosis - interphase, prophase, metaphase, anaphase, telophase

meiosis - interphase prophase I, metaphase I, anaphase I, telophase I, cytokinesis, prophase II, metaphase II, anaphase II, telophase II, cytokinesis

Climate Change refers to changes in the long-term regional (or even global) average of temperature, humidity, and precipitation over seasons, years, or decades. Are Climate Change and Global Warming the same thing? Your stance on climate change and why you believe climate change is or is not occurring. Provide evidence from sources that support your opinion

When a dark blue fish and a light blue fish with dark blue fins were mated , all offspring became dark blue. What could also be seen was that part of the offspring got light gray fins.

Explain with the help of genetics why all fish turn dark blue.

Use relevant terms in your explanation and also show using intersection diagrams.

Now we look at the fins instead. How come some of the offspring get gray fins instead of dark blue like the parents?