nanoscience

True or False. A light emitting diode is an example of an ohmic material.

False

True or False. Optical fibers use laser diode for telecommunications.

True

True or False. The solar cells convert electricity into light

False

The advantage/advantages of light emitting diode is/are (there could be more than one answer)

(a) Shorter Life (b) Longer Life (c) Energy efficient (d) Toxity

Longer Life and Energy efficient

________________ are used in surgery to heal abnormal tissues in sensitive areas such as brain.

Laser Diode

________________ reduces the amount of greenhouse gas emissions.

Solar Cells

What kind of trend is shown in the graph?

Non-Linear

What are some of the applications of light emitting diodes.

Displays, Car Head Lights, TV’s, Traffic Lights, etc

What is the significance of Nanotech in Biomedicine

Target drug delivery

reduces damage to healthy

detect disease efficiety

increased solubility

what is encapsulation and how is it done

is an effective method for creating time-released drugs

\

what is gene therapy

is an experimental technique to introduce healthy genes into cells to treat or prevent disease

\
create therapeutic genes

insert gene into a modified virus

modified gene are carried into the body which produce deried protein

which process is used to insert normal genes into human cells to correct disorders?

a) gene therapy

b) stem cell threapy

c) powder balls

d) molecular cloning

A) Gene Therapy

Which vehicles are often used for gene therapy to carry a healthy gene?

a) bateria

b) viruses

c) plastic capsules

d) gene therapy

\

b) viruses

In gene therapy in order to be success, the healthy gene inserted

be able to make the correct amount of the protein needed

_________ help detection and diagnosis of disease more efficiently

Lab biopsy chips

circulating cancer cells attaches themselves to ______ in cancer detecting biopsy chips through antibodies

carbon nanotubes

what is thermal ablation

what are the risk of gene therapy

True/False

Protein testing help investigator during crime scene investigation

false

True or False

Stephen Hawkings’s a famous physiscist who developed implications of big bang theory suffered from Alzheimer’s Disease since his adult age

False

True or False

DNA is made up of repeating molecules called nucleotides

true

The ________ bases in DNA are arranged in different sequence to code genetic variation.

Nitrogen and nitrogenous

nitrogenous

DNA contains the instruction making ______ in the cells

a) Lipids

b) carbonhydrates

c) nucleotides

d) protiens

D proteins

Proteins______ enable all the muscle movement

a) ion channel

b) hemoglobin

c) actin and myosin

d) carbonhydrates

\

C) Actin and Myosin

Misfolding of protein causes ______

diseases

How are protein engineered in our body?

copying of genetic information from DNA to RNA called transcription

RNA carries instructions from DNA to the rest of the Ribosome

True or False

According to Ohm’s law if voltage increases then current increases for constant resistance

true

True or False

Current is flow of electrons in a circuit

true

Battery, wires and bulb are the main elements of an electric

a) transformer

b) chamber

c) resistor

d) circuit

D) circuit

what is the voltage drop across 6 ohm reistance when a current of 2 amps flows through it

12V

List a few ethical concern about nanotechnology

negative:

toxic for environment, high cost, dangerous side effects

postitve: able to cross cell membrance and translocate in the body if nanoparticles are moblie

increasing possibilities of privacy violation

\
\