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Mekhanik [1.2K]
3 years ago
15

What were your predicted results for glucose transport in the cold condition (4°c, 15mm glucose)? briefly state the physiologic

basis for your prediction. did your results in lab support your prediction? if not, provide a possible explanation?
Biology
2 answers:
schepotkina [342]3 years ago
6 0
<span>Glucose would be transported but it would be less; concentration of glucose in sac is less than the control concentration.</span>
Sphinxa [80]3 years ago
4 0

The glucose transport will decrease in low temperatures as it is an enzyme mediated mechanism and the activity of the enzymes decreases at low temperatures.

Decreased temperatures have negative impact on cell membrane and transport. When the temperature is low, the tails of phospholipids become rigid and movement is slow. The overall fluidity of the membrane is decreased and this restricts the entry of glucose into the cell. The glucose transport occurs via facilitated diffusion and diffusion is also a temperature dependent process.

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kykrilka [37]

Answer:

No.

Explanation:

No, the stone did not take the shape of the glass because stone is not a liquid, it is a solid. Taking the shape of the container in which it is placed is the property of liquid matter whereas the solid maintain its shape and structure when placed in any container. No, the stone did not change the shape and structure when it is placed in the pail due to its solid matter. The properties of matter are the following: It is composed of tightly packed particles which make the matter solid. It maintains its shape and its particles can't move freely like gas and liquid particles.

3 0
3 years ago
The concentration of solute is less on one sides of the membrane causing water to move into the cell causing the cell to swell.
andrezito [222]

When a cell is immersed in a hypotonic solution, the volume of the cell will rise as it will cause will be a net inflow of water inside the cell. If the concentration of solutes outside the cell is lower as compared to inside the cell and when the solutes are not able to cross the membrane, then the solution is called hypotonic to the given cell.

The ability of an extracellular solution to induce water to osmotically enter or depart a cell is known as tonicity.

Three terms—hypertonic, hypotonic, and isotonic—are employed in order to evaluate if a solution would cause water to move into or out of a cell:

  • If a cell is immersed in a hypertonic solution, it will lose volume because there will be a net flow of water out of the cell.
  • A cell will shrink if it is submerged in a hypertonic solution because water will escape the cell.
  • Since there is no net water movement in an isotonic environment, the cell's size remains constant.
  • A cell will absorb water and swell when it is exposed to a hypotonic environment.

Learn more about osmosis here:

brainly.com/question/11534932

#SPJ4

4 0
1 year ago
Explain the relationship between crossing over and genetic variation
UNO [17]

Crossing over can create genetic variation. Crossing over is when chromosomes cross over they give + take a part of another chromosome which can create different variation in genes.

5 0
3 years ago
The definitive host of a parasite is a. the host for the dormant stage of the parasite. b. where the mature form of the parasite
HACTEHA [7]

Answer:

b. where the mature form of the parasite occurs.

Explanation:

The term Definitive hosts refers to hosts which houses the parasite till the maturity of the parasite, allowing the parasite to reproduce in it in the process.

3 0
3 years ago
Sister chromatids are
Tpy6a [65]
A. the two new cells created when cells divide
7 0
3 years ago
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