Which type of cell developed first?

Which cell type tends to be smaller?

The cells of all organisms contain DNA. In cells of which of the following groups is the cellular DNA enclosed in a nucleus?

Which of the following structures is ALWAYS found in both eukaryotic and prokaryotic cells and serves as the basis for common ancestory?

PROKARYOTIC cells do NOT have compartmentalization meaning they do not have ...

Which of the following is only found in EUKARYOTIC cells?

CHALLENGE QUESTION: Which of the following provides evidence for the hypothesis that prokaryotes evolved before eukaryotes.

Which cell organelle found in algae and plants uses sunlight to produce energy rich compounds?

Which of the following structures are present in both plant and animal cells?

Which organelles allow plants to support heavy structures such as leaves and flowers?

The genes for this organelle are found in the compact region of nucleus known as the nucleolus.

Synthesis and packaging of proteins occurs in...

Lysosomes are organelles that contain hydrolytic enzymes. Which of the following is a function of lysosomes?

......is important in the creation and storage of lipids and steroids.

Vesicles from the rough ER are most likely on their way to_____________ .

Cell walls are important plants, fungi and prokaryotes because they....

Vacuoles can be found in both plant and animals cells. Choose the best description of vacuole function.

In the Golgi Apparatus macromolecules, such as lipids and proteins, are transported within the cell using____.

All cells contain cell membranes. Which of the following describes the composition of cell membranes?

_______ regulates what enters and leaves a cell.

The cholesterol associated with membranes

Identify cholesterol molecule

When doctors perform organ transplants, they choose a donor tissue match. Which component is being matched?

In simple diffusion substances move from an area of _______ concentration to and area of _______ concentration.

The picture below is an example of _________________.

Movement of any particle "down" or "with" the concentration gradient is called

Movement of molecules "up" or "against" the concentration gradient (meaning low to high) is called

Fill in the blank:

Osmosis is the movement of ________ across a cell membrane from high to low water concentration OR low solute concentration to high solute concentration.

Osmosis

Small, nonpolar, hydrophobic molecules such as fatty acids

Which of the following substances would have the most trouble crossing the membrane by diffusing through the bilayer?

Water moves through channels called ________ during osmosis.

Aquaporins are involved in which type of transport?

The illustration shows a model of the transport of solute particles from outside the cell to inside the cell.

What type of cell transport is modeled?

Fusion of membrane-bound vesicle with membrane and dumping contents outside cell is known as

The main component of cell membranes are

When organisms maintain a stable internal environment it is known as

what is osmoregulation?

Animal cells prefer ____ solutions and plant cells prefer _______ solutions for homeostasis.

Which Type of solution is the middle cell placed in?

Plant cells are happy when they are turgid, which solution would maintain a plant's turgidity?

Why can't you drink salt water?

When given an IV of fluid, why are humans given a salt solution of 0.7M?

Dialysis tubing is permeable to water molecules but not to sucrose. Four dialysis tubes are half filled with 5 percent, 10 percent, 20 percent, and 40 percent sucrose solutions, respectively, and two dialysis tubes are half filled with distilled water. The dialysis tubes are all sealed at both ends, and the initial masses are determined. Five dialysis tubes are placed into beakers containing distilled water, and the sixth dialysis tube, containing distilled water, is placed into a 40 percent sucrose solution. The masses of the dialysis tubes are recorded at 30-minute intervals for 90 minutes, as shown in the table below.

A net movement of water into the beaker occurs in which of the following dialysis tubes?

The following questions refer to an experiment in which a dialysis-tubing bag is filled with a mixture of 3% starch and 3% glucose and placed in a beaker of distilled water, as shown below. After 3 hours, glucose can be detected in the water outside the dialysis-tubing bag, but starch cannot.

From the initial conditions and results described, which of the following is a logical conclusion?

Paramecia are unicellular protists that have contractile vacuoles to remove excess intracellular water. In an experimental investigation, paramecia were placed in salt solutions of increasing osmolarity. The rate at which the contractile vacuole contracted to pump out excess water was determined and plotted against osmolarity of the solutions, as shown in the graph. Which of the following is the correct explanation for the data?

A human kidney filters about 200 liters of blood each day. Approximately two liters of liquid and nutrient waste are excreted as urine. The remaining fluid and dissolved substances are reabsorbed and continue to circulate throughout the body. Antidiuretic hormone (ADH) is secreted in response to reduced plasma volume. ADH targets the collecting ducts in the kidney, stimulating the insertion of aquaporins into their plasma membranes and an increased reabsorption of water.

If ADH secretion is inhibited, which of the following would initially result?