What type of energy is almost always Released during energy Transformation

In pea plants, tallness (t) is dominant to shortness (t). what are the predicted percentages of the genotypes of the offspring i

Yuri [45]

If a homozygous short plant (tt) is crossed with a heterozygous tall plant (Tt), the percentage of tall offsprings is 50% and the percentage of short offspring is 50%.

A heterozygous tall pea plant will have the genotype "Tt" and a homozygous short pea plant will have the genotype "tt" because homozygous means that both alleles are identical.

Since 'T' is dominant over 't', any plant with at least one "T" allele will be tall (the dominant trait), regardless of what the other allele is.

The punett square of the following problem will have 2 squares with Tt genotype and 2 squares with tt genotype.

Hence, the genotypic ratio of F1 generation will be

Tt : tt

1 : 1

And phenotypic ratio of F1 generation will be

Tall : Short

1 : 1

To know more about mendelian genetics

brainly.com/question/11797208

3 0

2 years ago

How the inner ear is responsible for feeling dizzy?

Sonja [21]

Answer:

In turn, the brain tells your body how to stay balanced. If you're on a rollercoaster or a boat that's moving up and down, the fluid in your inner ears might take a while to stop moving. This is why you may feel dizzy for a little while even when you stop moving or are on solid ground. Dizziness caused by the inner ear may feel like a whirling or spinning sensation (vertigo), unsteadiness or lightheadedness and it may be constant or intermittent. It may be aggravated by certain head motions or sudden positional changes.

Explanation:

How do you fix dizziness in the inner ear?

1) Sit on the edge of your bed. Turn your head 45 degrees to the right.

2)Quickly lie down on your left side. Stay there for 30 seconds.

3)Quickly move to lie down on the opposite end of your bed. ...

4) Return slowly to sitting and wait a few minutes.

5) Reverse these moves for the right ear.

8 0

3 years ago

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Which gases are found in the atmospheres of the gas giants

victus00 [196]

Helium and hydrogen is found in gas giants

3 0

3 years ago

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FUN FACT OF THE DAY (day:5)

ohaa [14]

Answer:

dats cool

Explanation:☺

5 0

3 years ago

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(a) Identify the most likely mode of transport across the membrane for substance L. Explain how information provided helps deter

Viefleur [7K]

Active transport occurs against the electrochemical gradient. It needs energy to move molecules from the lower concentration side to the higher concentration side. The mode of transport is active transport. 

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There are three main different types of transport across the membrane

Simple diffusion ⇒ Does not need energy to occur
Facilitated transport ⇒ Does not need energy to occur
Active transport ⇒ Needs energy to occur

Active transport is the transport of molecules that move against the electrochemical gradient, so it does need energy to happen.

Molecules move from the lower concentration side to the higher concentration side of the membrane.

Carrier proteins are in charge of active transport. The needed energy might proceed from the ATP molecules or the membrane's electric potential.

In the exposed example, a scientist wants to determine how substance L enters a cells in a culture.

The cells maintain a 120 mM intracellular concentration of substance L.

Varying external concentrations of substance L (10 to 100 mM) in culture medium (Table 1).

Table 1. Rate of entry of substance L into mammalian cells in culture

External concentration of substance(mM) Rate of entry of substance L

10 5%

20 25%

30 45%

40 65%

50 80%

60 90%

70 95%

80 100%

90 100%

100 100%

Now, we need to identify the most likely mode of transport across the membrane for substance L, and explain how information provided helps determine the most likely mode of transport.

We know that the intracellular concentration is 120mM.

As we can see, this concentration exceeds all of the culture media concentrations. Yet, the substance keep moving into the cell.

As the concentration inside the cell is always higher than the concentration outside, we can assume that this is not passive transport because the molecule transport is going against its concentration gradient.

Hence, the remaining option is active transport. And as said before, we can see it because the substance keeps crossing the membrane toward the cell interior despite its concentration being higher in the interior of the cell than in the exterior.

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6 0

3 years ago