Biology High School

The movement of water across a membrane does not require a concentration gradient.
A. True

B. False

Answers

Answer 1

Answer:

false

Explanation:

because it is osmosis any liquid (water) can move through the membrane withought energy

Answer 2

Answer:

False

Explanation:

Related Questions

if you were facing a rainbow where would your shadow be​

Answers

Answer:

Usually the radius of the arc is equal to about one-fourth of the visible sky, or 42 degrees, to the red. When there are showers nearby, simply look in the part of the sky opposite the sun at a 42-degree angle from your shadow; if there is a rainbow, that is where it will be.

                                                                  or

behind your back

hope this helps

have a good day :)

Explanation:

Answer: your shadow is likely to be at the back side of your legs.

Explanation: hope it helped

Can someone help me if this is correct

Answers

Answer:

I think your answer is wrong. The right answer is D. Nucleus & Ribosome.

Explanation:

A process that takes place in the cells of all living things: the production of proteins. This process is called protein synthesis, and it actually consists of two processes — transcription and translation. During translation, the genetic code in mRNA is read and used to make a protein. These two processes are summed up by the central dogma of molecular biology: DNA → RNA → Protein. In eukaryotic cells, transcription takes place in the nucleus. During transcription, DNA is used as a template to make a molecule of messenger RNA (mRNA). The molecule of mRNA then leaves the nucleus and goes to a ribosome in the cytoplasm, where translation occurs.

The nucleus contains the cell's DNA and directs the synthesis of ribosomes and proteins. Typically, the nucleus is the most prominent organelle in a cell. Eukaryotic cells have a true nucleus, which means the cell’s DNA is surrounded by a membrane. Therefore, the nucleus houses the cell’s DNA and directs the synthesis of proteins and ribosomes, the cellular organelles responsible for protein synthesis.

A dominant allele masks/hides the effect of a recessive allele.

Answers

Answer: True

Explanation: If you have a dominant allele it will show in the phenotype of the organism. To show a recessive allele you need a recessive pair consisting of only recessive alleles

Hope this helps

what do the results suggest about ways that milkweed bug populations are limited in nature?

Answers

Answer:

Temperature.

Explanation:

Temperature was the only limiting factor that controls and limits the size of the population of milkweed bug  in the nature because these milkweed bug are very sensitive to temperature. Little increase or decrease in temperature can cause adverse effect to the population f milkweed bug in that environment. Milkweed bugs need food, water, space, shelter and a mate in order to survive a well as increase in population of milkweed bug.

Atoms are the most basic unit of matter. Two or more atoms from the same or different elements can combine to form molecules.
Cells are the most basic unit of life. Cells are made up of many different types of molecules. Which of the following accurately shows higher levels of organization within organisms, from least complex to most complex?
A. cells → organs → organ systems → tissues → organism
B. cells → tissues → organs → organ systems → organism
C. cells → organ systems → organs → tissues → organism
D. cells → organs → tissues → organ systems → organism
PLZ EXPLAIN WHY THE OTHER ANSWERS R INCORRECT

Answers

The correct answer is B because that is the order form least complex to most complex. Hope this helps and have a good summer!

Are your two DNA strands similar? How do?

Answers

In short, DNA is a complex molecule that consists of many components, a portion of which are passed from parent organisms to their offspring during the process of reproduction. Although each organism's DNA is unique, all DNA is composed of the same nitrogen-based molecules.

Which of the following is not one of the seven primary odors humans recognize?
fresh
putrid
pungent
roses

Answers

Answer:

roses

Explanation:

It occurs when an odor binds to a receptor within the nasal cavity, transmitting a signal through the olfactory system.2 Glomeruli aggregate signals from these receptors and transmit them to the olfactory bulb, where the sensory input will start to interact with parts of the brain responsible for smell identification, memory, and emotion.3

There are many different causes for alteration, lack, or disturbance to a normal sense of smell, and can include damage to the nose or smell receptors, or central problems affecting the brain. Some causes include upper respiratory infections, traumatic brain injury, and neurodegenerative disease.

Answer:

Fresh

Explanation:

When you look at the chartr, Roses were cconsidered a floral scent, which was listed, then there was putrid, pungent, and 3 others, the only one that wasn't listed was fresh, because often out scent and taste work together to help us find rotten foods, but we find that by smelling putrid scents or pungent scents, rather than fresh scents. Therefor the correct response is fresh

How would your body respond if your blood pH raised to 7.46?

Answers

Well an increase in alkaline causes pH levels to rise. When the levels of acid in your blood are too high, it's called acidosis. When your blood is too alkaline, it is called alkalosis. Respiratory acidosis and alkalosis are due to a problem with the lungs.
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The 3 components of the Cell Theory are only referring to prokaryotic cells.
A. True

B. False

Answers

Answer:

B. False

Explanation:

B. False

just looking that the first component of the cell theory, this is proven

Hope this helps!

Which of the following is not a source of genetic variation?

A
sexual reproduction

B
asexual reproduction

C
mutations

D
crossing over during meiosis I

Answers

Asexual because it is basically cloning itself

Which of the following limit cell size? Select all of the answers that apply.

Answers

Where is the picture?

Where do plants and animals get carbon? Explain​

Answers

Answer:

From the air

Explanation:

For plants especially its the sunlight. The animals then eat the plants transferring the carbon into their bodies.

Answer:

Where do plants and animals get carbon? Explain​

Remember that plants and other producers capture carbon dioxide and deplete it in glucose (C 6 H 12 O 6) through photosynthesis. Then when animals eat plants and other animals, they get the carbon from those organisms.

Explanation:

I hope it helps you :)♫

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