Cell Structure And Infectious Sales

Question 1

What is the difference between an infectious disease and a non-infectious disease?

Answer 1

Infectious can be spread from person to person and noninfectious cannot be spread

Question 2

How are the following pathogens most often spread from organism to organism? Virus, fungus, bacteria, protist

Answer 2

Virus: inhaling contaminated air, touch of contaminated object, coming in contact with contaminated person, exchange of bodily fluids
Fungus: inhaling spores, or spores landing on your skin
Bacteria colon and hailing contaminated air, biological vectors, contaminated objects, coming in contact with contaminated person
Protist: contaminated food or water, Bala

Question 3

What is the difference between an antibiotic and a vaccine?

Answer 3

Vaccines are weaken forms of a live virus/bacteria that creates an immune response that fights off the infection when the actual virus/bacteria enter your body, antibiotics weekend or kill bacteria only

Question 4

What does it mean that the cell membrane is selectively permeable?

Answer 4

The cell membrane allows certain materials to leave and enter the cell

Question 5

Explain how plant and animal cells are different?

Answer 5

Plant cells have a larger vacuole, cell wall, and chloroplast for photosynthesis

Question 6

List the ways you can prevent an infection from a pathogen.

Answer 6

Wash hands, exercise, get rest, eat healthy, get check ups, stay away from contaminated people

Question 7

Describe how a virus infects the body.

Answer 7

Attaches to the cell membrane, injects genetic material, duplicates until the cell burst and dies, newly replicated virus attack other cells

Question 8

What is a biological vector give an example

Answer 8

An organism that carries a disease that can be passed to humans. Example malaria is carried by mosquitoes

Question 9

What is the negative effect of over using antibiotics?

Answer 9

Bacteria becomes resistant to antibiotics can be spread to other individuals and make the antibiotic and

Question 10

What are some positive ways that the following organisms can help in the environment or in industries

Answer 10

Bacteria: healthy digestive systems production of dairy products (cheese, yogurt), oxygen for the environment, insulin production for diabetic patients
Fungus: mold: used to make certain the anabiotic’s yeast: used to make bread’s and alcohol from ferry

Question 11

In the equation, P4+02 equals P203, if there are 20 g of pay for and 15 g of O2 how many grams of P2O3will form?

Answer 11

35g

Question 12

List grapes on the periodic table will ionically bonded together.

Answer 12

Great 16 ionically bonds with group 2, group one ionically bonds with group 17

Question 13

Name three gases that contribute to the greenhouse effect what is AC current used instead of DC in the power grid?

Answer 13

AC current can travel from high to low voltage is and it can change directions

Question 14

If you push a skateboard that has a mass of 60 kg with a force of 6N what force will the skateboard pushback on you according to newtons third law of motion?

Answer 14

6N

Question 15

If two objects have different masses which object is easier to accelerate? Which law supports your answer?

Answer 15

The smaller mass

Question 16

The tendency of an object to resist a change in its motion is known as ?

Answer 16

Inertia

Question 17

Newtons first law of motion states that an object remains at rest unless a —— force acts on it

Answer 17

Unbalanced

Question 18

The statement for every action, there is an equal but opposite reaction is a statement of?

Answer 18

Newtons third law

Question 19

When a swimmer pushes the water back, the water pushes the swimmer forward. What is the reaction force to in this situation?

Answer 19

Water push the swimmer forward

Question 20

Gel like material that fills the cell and surrounds the organelles

Answer 20

Cytoplasm

Question 21

Allows materials to enter or exit the cell and protects the contents of the cell

Answer 21

Cell membrane

Question 22

Control center of the cell

Answer 22

Nucleus

Question 23

Transport materials and proteins around the cell

Answer 23

Endoplasmic reticulum

Question 24

Build proteins in the cell

Answer 24

Ribosomes

Question 25

Provides energy for the cell by breaking down sugar molecules in cellular respiration

Answer 25

Mitochondria

Question 26

Provides food for a plant cell if I collecting energy from the sun during photosynthesis

Answer 26

Chloroplast

Question 27

Rigid material that surrounds a plant sale that gives that shape support and protection

Answer 27

Cell wall