The cell membrane controls movement of materials into and out of the cell. The following particles are moving from high concentration to low concentration and are using a carrier protein. How would you describe this type of movement across the membrane?
A. simple osmosis

B. active transport

C. simple diffusion

D. facilitated diffusion and please give a reason why you chose this answer

Answer:

B. active transport

Explanation:

Answer:

b

Explanation:

because active transport obey the concentration gradient..

Which phrase best discribes how scientists use the data they collect

Silicon Valley in the San Francisco Bay Area is often called the tech center of the world. The region gets its name from the silicon used in computer chips that were widely manufactured there. Today, this region houses many of the largest computer hardware, software, internet, and digital communication companies in the world. Identify and explain two ways in which an earthquake in this area could affect people in other parts of the world.

please help me please

Which scenario is likely to result in the most diverse offspring?

Asexual reproduction by budding
Asexual reproduction by binary fission
Sexual reproduction between two individuals in the same population
Sexual reproduction between two individuals from different continents

A person who believes that people are who they are because of how they are raised is more on the side of ___ with respect to the nature versus nurture debate.
A. biology
B. nature
C. innate traits
D. nurture

What can we NOT learn from the fossils found in rock strata?

A. when a species became extinct

B. the exact age of each individual fossil

C. the diversity of organisms at a certain location or during a certain time period

D. how a type of organism has changed over time

In a simple food chain, small fish eat algae; bigger fish eat the smaller fish; bears eat the
bigger fish.
Using the above scenario, which of these would have the largest amount of available
energy?

A. Grass
B. Grasshopper
C. Snake
D. Owl

is oxygen biotic or abiotic

The atomic number appears
A- The number of protons in the nucleus of each atom.
B- The number of electrons in the nucleus of each atom.
C- The number of protons and electrons combined in each atom.
D- The number of elements in the periodic table.

Select the correct answer.
Kevin has two test tubes filled with a clear liquid. One of them is water, and the other is vinegar. He adds a little baking powder to each liquid to
identify the test tube that contains vinegar. Select the correct observation and conclusion.
OA The liquid in which baking powder dissolves is vinegar.
OB. The liquid in which baking powder settles down is vinegar.
OC. The liquid in which bubbles are formed is vinegar.
OD. The liquid that does not change color is vinegar.
O E. The test tube that becomes cold contains vinegar.