Harmful or Helpful?
What type of yeast is harmful and why?
While many yeasts are beneficial, some species can be harmful, primarily due to their potential to cause infections or digestive issues. Harmful yeasts often include the species Candida albicans, which can cause yeast infections and, in some cases, more severe illnesses. Other types of yeasts can also contribute to digestive problems or interfere with the body's natural balance.
Is a nucleus in an animal cell or plant cell?
They're actually in both a plant cell and animal cell
What does the chloroplast do?
It provides nutrients for the cell, it's like a pantry.
What is an example of a mixture?
Cement: A mixture of sand, gravel, and water.
What is a chemical change? Is it permanent or temporary?
A chemical change is when something turns into a brand new substance with different properties, like ash from burning wood or rust from a metal turning. It's like a recipe where ingredients mix and become something completely new. These changes usually can't be undone, and they often involve things like heat, light, or new smells.
What type of bacteria is helpful and why?
Helpful bacteria, known as probiotics, include species like Lactobacillus and Bifidobacterium, which reside in the digestive tract. They are beneficial because they aid in digestion
No, chloroplasts are only in plant cells.
What does cytoplasm do?
It holds everything in place, it's like slime.
What is an example of a mixture?
Sugar and water: A solution where sugar molecules are evenly dispersed in water.
What is a physical change?
A physical change is when something looks or feels different, but it's still the same stuff. It's like cutting a piece of paper - it's still paper, just in smaller pieces. Or melting an ice cube - it's still water, just in a liquid form. Physical changes don't create a new substance; they just change its appearance or how it's arranged.
How is protozoa harmful?
Protozoa can be harmful because they are parasitic and can cause a variety of diseases in humans and other animals
Is a cytoplasm in a plant cell?
Yes, both animal and plant cell has a cytoplasm.
What does a cell wall do in a plant cell?
It provides structure for the shape of the cell.
What is a example of a solution?
Vinegar: A solution of acetic acid and water.
What change occurs when you mix salt and water?
A physical change, you can still undo it by evaporating the water to receive the salt again.
What do decomposers do? Are they harmful or Helpful?
Decomposers are organisms that break down dead organisms and release the nutrients from the dead matter into the environment around them. They are helpful to the environment.
What cell has a cell wall?
A plant cell.
What does the cell membrane do?
It lets good things in the cell and bad things don't go in the cell.
What is an example of a solution?
Coffee: A solution of coffee grounds and water, often with added sugar or milk.
What change occurs when something rusts?
A chemical change. Iron reacts with oxygen and water to form rust, a new compound with different properties.
It is helpful by being used in a safe way so that its benefits outweigh the dangers it could cause. Botox is used medically to treat certain muscular conditions, and cosmetically to remove wrinkles by temporarily paralyzing muscles. It is harmful when the bacteria is found in food, it can cause food poisoning called Botulism, which causes severe illness or even death.
What cells have a cell membrane?
Animal cell and plant cells have a cell membrane.
What does the nucleus do?
It is like the brain of the cell, it controls everything in the cell.
What is a mixture? What is a solution?
In science, a solution is a type of mixture where one substance (the solute) dissolves into another substance (the solvent), forming a homogeneous mixture. A mixture is a combination of two or more substances in any proportions
How is a mixture different from a solution?
A mixture is when you combine two or more things, and you can still see or separate them. A solution is a special kind of mixture where everything is evenly mixed up and looks like one thing.