Cell Parts
Where is the DNA stored in a eukaryotic cell?
The nuclues
All living things are composed of one or more ___.
Cells
The main component of the cell membrane is the:
Phosopholipid bilayer
The movement of water across a semipermeable membrane is called:
Osmosis
A ___ variable has the potential to cause untrustworthy results
A confounding variable
Which organelle is used for packaging and shipping molecules?
The Golgi body
The ultimate cause of all death is the loss of ___.
Homeostasis
Phospholipid heads are ___, while the tails are ___.
Phospholipid heads are Hydrophilic while the tails are hydrophobic.
The solution
The ___ variable is the part of the experiment that the experimenter manipulates. It's the part of the experiment that is different between the experimental groups.
The independent variable
What is a function of the smooth endoplasmic reticulum?
Lipid production, lipid storage, & detoxification
The ability to obtain and use energy is referred to as:
metabolism
Cellular uptake of liquids is referred to as
Pinocytosis
A cell containing 15% sucrose is floating in a solution of 19% sucrose. Which direction will water move: into or out of the cell?
Out of the cell
The ___ is the part of the experiment that is used as a comparison. It's important to making sure the results you get are trustworthy and that there isn't any unexpected error.
The control
What is the large water-storing organelle in a plant cell?
The central vacuole
A sunflower will rotate its flower head to follow the path of the sun across the sky. This is referred to as heliotropism and is an example of which characteristic of life?
Response to stimuli
A membrane protein that changes shape to allow a specific ion into the cell is called a:
A plant cell in a hypotonic environment takes up a lot of water and is referred to as ___
Turgid
What do you call a scientific article that the scientific community has discovered is no longer trustworthy?
Redacted
What are three things a bacteria cell and an animal cell have in common?
Cell membrane, cytoplasm, DNA, ribosomes
Giraffes with the longest necks in a population have the best chance of finding food and reproducing, thus passing on their genes to their children. The scientist Lamarck thought that the memory of neck stretching was passed to the next generation, but he was incorrect because ___ traits cannot be passed to offspring.
Aquired traits
What is the function of cholesterol in the cell membrane?
To maintain fluidity
If you administer an IV to a patient in the hospital, what type of solution would be best to use: a solution hypertonic to the patient's blood, a solution hypotonic to the patient's blood, or a solution isotonic to the patient's blood?
A solution isotonic to the patient's blood
What does each of the letters in CRAAP test stand for?
Currency, Relevance, Authority, Accuracy, and Purpose