Biology Answers

Explain why in tested field medium height's wheat grown the most intensively?(2 arguments)

Two student groups performed research which objective was to determine same breed wheat's stem's height's LIMITS OF VARIABLES. Different breed wheat grown in different locations. Both student groups measured specific quantity wheat's stem's and made variational row.

1. How students should have to choose wheat for the study?(2 arguments)
2. How students had to perform the research in hope to make variance curve as much accurate?(2 arguments)

In the two potatoes fields (A and B) we used same amount of insecticide against colorado beetles. Results showed that in field A all colorado beetles died neverthless in field B after some time population grown up again. Why this is directional selection type?

Outline how can chemical waste from oil industry generate income

Write short notes on the following:

(a) Type of bonds

(b) Mesenchyme

(c) Proton pump in photosynthesis

(d) Cyclic AMP as second messenger

What is cell cycle? Explain how cell cycle times are determined.

Describe the steps involved in protein synthesis in prokaryotes.

Explain the characteristics of enzyme and mechanism of its action.

write briefly on the mammalian joints

Differentiate between the following pairs:

(a) Procaryotes and Eucaryotes

(b) Mitochondria and Chloroplast

(c) Animal and Plant cells

(d) Fluorescence microscopy and Phase contrast microscopy