Plasma Membrane
What is the basic structure of the plasma membrane?
Double layer of phospholipids
"powerhouse of the cell"
mitochondria
Transcription and translation are used to make __________?
Proteins
Which is cell division of reproductive cells?
Meiosis
In this procedure single sperm is injected directly into a mature egg for the purpose of enhancing fertilization
intracytoplasmic sperm injection (ICSI)
These proteins are inserted into or through the lipid bilayer?
Integral Proteins
detoxifies drugs and other harmful substances
Smooth Endoplasmic Reticulum (sER)
Which phase comes first?
Transcription
In which phase is cytokinesis happening?
anaphase and telophase
When blood glucose levels rise what hormone is secreted to lower the blood glucose levels and what organ is it secreted by?
Insulin by the pancreas
What are the 4 functions of the plasma membrane?
Physical Barrier
Selective Permeability
Cell Recognition
Communication
packs and ships proteins
Golgi apparatus
What are the 3 steps of transcription?
Initiation, Elongation, and Termination
What are the 4 phases of mitosis in order?
Prophase, metaphase, anaphase, and telophase
What are some causes of cancer?
carcinogens are environmental toxins (e.g., cigarettes and lung cancer)
oncogenic viruses (e.g., human papillomavirus and cervical cancer)
chronic inflammation (e.g., chronic hepatitis and liver cancer)
What are the 3 membrane lipids?
Phospholipids
Cholesterol
Glycolipids
Short whip-like projections that move substances along the cell surface
Cilia
In this step of Transcription of the RNA polymerase adds mRNA nucleotides that are complementary to the DNA template
Elongation
How many haploid gametes are made during meiosis?
4
In what disease do lysosomes lack the enzyme glucocerebrosidase which causes a build up of glucocerebroside
Gaucher's disease (type 1)
In this type of transport across the membrane substances that are too large or lipid insoluble can passively move across the membrane aided by a carrier protein
carrier mediated facilitated diffusion
3 types of rods in the cytoskeleton
microfilaments
intermediate filaments
microtubules
In translation what organelle do the mRNA and tRNA meet to be joined together by peptide bonds.
Ribosomes
Telophase
What are some symptoms associated with Tay-Sachs disease?
blindness, deafness, muscle weakness and seizures