Miscellaneous

Question 1

How can % efficiency of biomass be estimated? Include the process and calculation…

Answer 1

(Energy of consumer/ energy of producer) x 100
Collect samples of trophic levels in question
Calculate dried weight
Calculate energy content via calorimetry

Question 2

Oestrogen as a transcription factor

Answer 2

OESTROGEN binds to receptor
Receptor binds to promotorbof target gene
Allowing transcription

Question 3

GIBBERELLINS as transcription factors

Answer 3

Della protien on transcription factor broken down by gibberellin
Transcription factor can now binds to promoter and transcription can begin

Question 4

Polypropylene and effect

Answer 4

More than 2 sets of chromosomes in a cell, may result in largeness

Question 5

Homeobox gene

Answer 5

A gene that codes for transcription factor that regulates the development of the body plan

Question 6

Homeobox gene and subsects

Answer 6

Homeobox codes for homeobox sequence (180), which codes for a homeodomain. The homeodomain acts as the transcription factor.

Question 7

Biological species concept

Answer 7

Species only same species if they can interbreed to produce fertile offspring

Question 8

How are blebs dealt with and why

Answer 8

Digested by lysosomes and engulfed by phagocytes
Prevent toxic products from damaging other cells

Question 9

What if there aren’t many species or large numbers of individuals in a species

Answer 9

Changes to a smaller population have a larger effect
Changes to the few speciesmay have a larger effect on the whole habitat.

Question 10

RNA binds to… wheras repressor protien binds to…

Answer 10

Promoter and operator

Question 11

Mitosis used in

Answer 11

Asexual reproduction
Cell Proliferation
After gametes fuse
Asexual reproduction

Question 12

What regulates apotosis and mitosis?

Answer 12

Hox genes -
Produce molecules that signal for apoptosis