Cell Biology
What is a phospholid layer?
Fat/Lipid layer
Which part of the human body contains the starch digesting enzyme?
Mouth
The two strands of DNA are held together by these bonds
Hydrogen Bonds
What is the name of the gap between 2 neurones
Synaptic Cleft
This plant hormone is responsible for promoting cell elongation and is involved in phototropism
Auxin
Which structures must be present in a cell for osmosis to take place? Name both
Cell Membrane and Cytoplasm
Heroine is a depressant, how does this affect the neurones?
It slows down the passing of electrical impulses.
Protein involved in the unbinding of DNA?
Helicase
Name any 4 functions of the liver
Any 4 from:
Production of Bile
Storage of vitamins and minerals
Regulation of blood glucose levels
Detoxification of blood
Hormone Regulation
Metabolism of carbohydrates, fats and proteins
Accept maintenance of homeostasis
Synthesis of Blood Proteins
In incomplete dominance, a red-flowered plant (RR) is crossed with a white-flowered plant (WW). What is the colour of the produced flower, and what would its phenotype be written as?
Pink (RW)
In what part of the cell does the Krebs cycle occur?
C) Mitochondrial matrix
What is the function of lysozyme?
They break down the cell walls of bacteria and are part of the immune system
What is the term for the genetic makeup of an organism?
Genotype
Name the 3 general categories of joints in the human body
Fibrous joints
Cartilaginous joints
Synovial joints
Where does active cell division and growth in a plant occur
Meristem
In eukaryotic cells, what structure is involved in the synthesis of lipids and detoxification of drugs?
Smooth Endoplasmic Reticulum
Which signaling molecule is known to induce vasodilation?
(c) Nitric Oxide
If a father has blood group O, then what blood group
can its offspring not have?
AB
What structure in the brain is responsible for coordinating voluntary movements and maintaining balance and posture?
Cerebellum
Halophytes are plants which thrive on high concentration of this substance
Salt
In G-protein coupled receptor (GPCR) signaling, what is the role of GTP?
It activates the G Protein
State how pectinase clarifies fruit juice
Breaking down pectin found in the cell wall
What is the term for the phenomenon where a single gene affects multiple traits in an organism?
Pleiotropy
What is the name of the protective covering that surrounds the brain and spinal cord?
Meninges
The process by which plants grow taller due to the elongation of cells in response to a low ratio of red to far-red light is known as this.
Etiolation