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zepelin [54]
3 years ago
7

Please help me! Thank you!

Biology
1 answer:
Sergeeva-Olga [200]3 years ago
4 0

Answer:

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Why are osmosis and diffusion called passive transport?
Otrada [13]
<h2>Answer and Explanation </h2>

Passive transport is the movement of molecules across the cell membrane without inputting any energy. There are three main Types of passive transport which are diffusion, osmosis and facilitated diffusion. Osmosis and diffusion both are passive transport because the movement does not require any input of energy the only difference in the osmosis and diffusion is solute is also move with a solvent in diffusion while in osmosis only the solvent particles move.

3 0
3 years ago
Many intracellular signaling proteins act as switches that toggle from an inactive to an active state. Once activated, these sig
guajiro [1.7K]

Hello. You forgot to enter the answer options. The answer options are in the figure attached below:

Answer:

the option D is the right answer.

Explanation:

Option D shows a pathway where activation of the receptor would lead to an increase in gene expression. This is because in this option we can see that the transcription regulator is decreasing gene expression, but there is a receptor that is activated and that has the ability to inhibit the pathway, allowing the selected gene to be expressed efficiently. This is because the pathway shows two inhibitory steps, when this happens an activation is performed.

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3 years ago
Some traits, such as the color of your eyes and the shape of your nose, are
tekilochka [14]

Answer:

Is this a True or False question? If not, Them Heredity is the thing that can effect your Features (such as Nose shape and eye color) as well as health and well-being.

However, Health and well being can also be altered, like if you eat too much, or if you get in a car accident, or a loved one dies. Those can change depending on your surroundings.

7 0
3 years ago
Hi plz help!! Due at 11:00 please I’m begging
dimulka [17.4K]
ANSWER: I believe it’s the second one but I could be wrong



BECAUSE: Glaciers not only transport material as the move but they also sculpt and cars away the land between them and because of that it makes me think the answer is B.
3 0
3 years ago
The letter A indicates _____. A cross-section of an adult tree trunk. The outer layer interacts with the environment. The second
MrRissso [65]

Answer:

Explanation:

In a cross-section of an adult tree trunk, the outer layer that interacts with the environment is called periderm (Layer D). The second layer that follows the periderm is the phloem (Layer C). The next layer is the cambium, which produces phloem cells and xylem cells (Layer B). The secondary xylem follows the vascular cambium (Layer A) and finally, the medulla is located in the middle of the trunk.

The secondary xylem proceeds from the vascular cambium activity. Its cells are orientated in different ways composing the vertical/axial system and the horizontal/transversal system. The secondary xylem is essential to the tree growth in high because of its resistance and the capacity to transport water long distances. Secondary xylem functions are to transport water and minerals through its vessels and tracheids, to provide support and resistance to the plant, and to store reserve substances.

8 0
3 years ago
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