Reflex actions are useful. Explain why. (2 marks)

(Use eyes and changes in light as example)

What can you infer is most likely the genetic mutation that results in Down syndrome?

A baby begins to suckle her mother's nipple and a few drops of milk are released. This encourages the baby and releases a hormone in the mother which further stimulates the release of milk.

Eukaryotic cells have many different specialized structures that are involved in making, organizing, and delivering a protein molecule. Describe the four organelles that are involved and the sequence of events of this process.

Genes are expressed sequences of nucleotides that directly code for the transcription of mRNA true or false

Where is the Heart located in human body?

Witch organism would have the most similar traits

Write the least common multiple of 7 and 14

Each horizontal row in a pedigree chart represents a mating. a generation. several siblings. several characteristics.

Simpler communications and decreased miscommunications are associated with

What is the signal for a vesicle storing peptide hormone to move to the plasma membrane and release contents of vesicle? a. Activation of an integrin receptor b. Activation of a g-protein c. Activation of an enzyme linked receptor d.