Biology Answers

Suppose that there is a mutation in a single-celled organism where the Krebs cycle (TCA/Citric Acid Cycle) doesn't happen. What would be the consequences for that organism? How would their metabolism be similar to ours? How would it be different?

Evolution is often portrayed as producing greater complexity and increased size. Can you think of an example where evolution resulted in reduced complexity or smaller size?

This is a genetics’ question relating to biology and we are required to create a pedigree for the question.

Here is the link to the question, please upload a clear and accessible image of solutions: https://drive.google.com/file/d/1W_k5DidC42fR48D-UQEzkU2xK-UVNsJS/view?usp=drivesdk

investigation to find out if a pheromone trap would help to control the 

leaf miner. 

In a pea plant that breeds true for tall, what possible gametes can be produced? Use the symbol D for tall, d for dwarf.

Should GMO (genetically modified) foods be labelled so that consumers know that they are buying them?

Why is recycling of electron carriers and ATP is important for the cell

Does it matter what species of plants/crops are being used for genetic modification of foods? In other words, should GMO foods be allowed only for certain species?

In peas, a gene for tall plants (T) is dominant over its allele for short plants (t). The gene for smooth peas (S) is dominant over its allele for wrinkled peas (s). The genes are not linked.

TtSs x TtSs

ttSs x Ttss 

TtsSS x ttss

Ttss x ttss

Paleontologists have discovered the fossilized remains of ancestors of whales in Pakistan. These remains were found far from any large body of water. What can you infer from this observation?