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shutvik [7]
2 years ago
12

A group of biology students tests the growth of bacteria under different conditions. The students apply the same amount of bacte

ria to identical Petri dishes enriched with nutrients, then place each plate at a different temperature. The bacteria are allowed to grow for three days, after which the number of bacterial colonies on each plate is counted. What is the dependent variable in this experiment?
Biology
1 answer:
Alex17521 [72]2 years ago
4 0
In the above experiment, the number of bacterial colonies after three days is a dependent variable. Option A is the right answer.
The variables in the experiment that are reliant on the cause independent variables are referred to as dependent variables.
For instance, consider the amount of bacterial colonies after three days.
The variables in the experiment that can be modified or manipulated are known as independent variables.
For example, temperature, nutrient content, and so forth.
As a result, in the provided experiment, the number of bacterial colonies after three days is a dependent variable.
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Which statements about the modification of chromatin structure in eukaryotes are true? Select all that apply. View Available Hin
nataly862011 [7]

Answer:

Acetylation of histone tails is a reversible process.

DNA is not transcribed when chromatin is packaged tightly in a condensed form.

Methylation of histone tails in chromatin can promote condensation of chromatin.

Acetylation of histone tails in chromatin allows access to DNA for transcription.

Eukaryotic chromatin structure is a highly complex assembly which needs to be simplified in order to undergo process of transcription. Eukaryotic chromatin structure is highly condensed in nature and DNA cannot be access for transcription. Actylation of histone tails is a process in which breaks the bond of attraction between adjacent nucleosomes. It results in chromatin being condensed attains a loose form. Transcription of DNA can occur in a loose chromatin. Methylation can promote condensation or decondensation of chromatin structure depending upon the methyl group present in the histone.


5 0
3 years ago
Read 2 more answers
What is some observation you see outside
Shtirlitz [24]
Trees blowing in the wind, bees landing on flowers, bunnies hopping on grass
3 0
3 years ago
Evesa
Artist 52 [7]

Answer:

Active uptake (which I think you mean active transport) is important when the concentration gradient is against that of a certain substance, so it doesn't cross the membrane through diffusion or passive transport. It is sometimes necessary if a substance needs to move across a membrane but can't do so due to electrical charge or that there is a substance on the other side of the membrane preventing diffusion.

Explanation:

8 0
3 years ago
The form of circulatory shock known as hypovolemic shock is ________. the form of shock caused by anaphylaxis any condition in w
WITCHER [35]

Answer:

The form of circulatory shock known as hypovolemic shock is the condition when the plasma level of blood and the body fluids level is decreased rapidly causing insufficient level of oxygen in the blood . the form of shock caused by anaphylaxis any condition in which blood vessels are inadequately filled and blood cannot circulate normally shock that results from large-scale loss of blood volume, or after severe vomiting or diarrhea always fatal

Explanation:

  • hypovolemic shock is one type of shock among different kinds of shock. it happens when body fluids or blood plasma level starts to decrease rapidly due to some internal or external injury such as bleeding, dehydration, burns, and severe vomiting, diarrhea.
  • later causes body fluid loss which decreases the o₂ level in blood.
  • this causes lack of o₂ supply in organs which is indeed a fatal condition.
5 0
3 years ago
1. Discuss why you think the unit exercise only had you create two bones for the model’s hand rather than five? 2. How would rig
netineya [11]

Answer:

1. Discuss why you think the unit exercise only caused you to create two bones for the model's hand instead of five.

R = why the prosthesis can be adapted according to the needs of each of the users.

2. How would the rigging (and animation) be more difficult if it did not include guide bones, pole targets, and other rigging elements that are not directly part of the mesh "skeleton"?

R = the bones of the fingers that are still present help us create the measurements of the missing fingers since in this way we create a more harmonic and sesthetic hand, and when these fingers are not present it is more difficult to create in the animation since it can be noticed a little deformed since the requests cannot be correct and the fingers can be seen in very different sizes from one to the other.

3. Describe the ways your model originally looked "off" in warp / skinning or in the animation / keyframe process

A = I would not know how to answer that because I do not have any key program to carry out the prosthesis but I can guide you a little bit about a prosthesis program which you can see in an animation program

The digital model of the affected hand was obtained using modeling techniques in Blender, Rhinoceros and Mesh to model conversion software in Solid Edge. As a result, a 3D digital model of the affected hand was obtained on which the mechanisms of the prosthesis to be implemented can be worked on and adjusted.

After developing the model of the prosthesis volume, measurements were taken and adjusted to the plaster model that was previously obtained. Figure 13 shows how the prosthesis model was fitted to the plaster hand model. Subsequently, with the measurements obtained from this model, the prosthesis mechanisms are designed for the three missing digits in the user's hand.

4. Imagine that you are creating a robot instead of a human character. What design changes could you make to the model in terms of rigging and skinning to make the character more "robotic"?

R = the physical aspect, and that the movements are more rigid and not so fluid to give the robotic touch, since currently robots move very fluidly and can make faster expressions and make it look more metallic and not treat it to do with such a humanoid aspect.

5. How would you face the challenge of animating a "boned" model, such as a traditional RPG slime monster, or alternatively a snake or detailed tail animation?

R = you have to make an animation character that looks gelatinous, as through the program you have to create a mass that looks translucent so that it can simulate that the character does not have bones, because if you make it a solid object we would be losing the effect that the character is gelatinous that is supported without bones.

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3 years ago
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