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maxonik [38]
1 year ago
13

A researcher is evaluating the role of a growth factor during embryonic development. She notices that this factor functions in b

oth neural development and limb development. How is that possible
Biology
1 answer:
Karolina [17]1 year ago
4 0

Answer:

All of these are possible explanation

The effects of the growth factor may be concentration-dependent

- The effects of the growth factor may be dependent on location

- The growth factor may result in the transcription of different genes depending on cell type

- The growth factor may be signaling through different transduction pathways

Explanation:

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a laptop power changer has an output of 5.00 V ang has a resistance of 800 ohms. what is the current output of the charger?​
DochEvi [55]

Answer:

The correct answer is - 6.25 mAh.

Explanation:

According to the Ohms law of power, the current of a source can be found with the help of the formula

I = V ÷ R

where, I (amps) = V (volts) ÷ R (Ω)

By placing the value given:

I = 5.00/800

I = 6.25 mAh

The current output of the charger would be 6.25 mAh

6 0
1 year ago
Someone has broken a bottle of cologne inside the locker room. What is NOT responsible for the strong smell of cologne in a neig
Black_prince [1.1K]
The answer is A, as the protein does not have any affect of the movement of the cologne.
7 0
2 years ago
Proton pumps are used in various ways by members of every domain of organisms: Bacteria, Archaea, and Eukarya. What does this mo
evablogger [386]

Answer:

The correct answer is A and D

Explanation:

According to Russell's conception that lies in natural proton gradients. He states that Four billion years ago, alkaline fluids bubbled to produce mildly acidic oceans (As CO2 levels were about a thousand times higher, and it reacts with H2O to form carbonic acid, rendering the oceans mildly acidic). Acidity is just a measure of proton concentration,  higher in the oceans than in vent fluids. This difference has given rise to a natural proton gradient across the vent membranes that had the same polarity (outside positive) which is similar to the electrochemical potential as modern cells have. This might be the reason that last universal common ancestors of all the three domains have evolved proton pumps.

6 0
1 year ago
A culture of bacteria is fed glucose containing radioactive carbon and is then examined. During the citric acid cycle, radioacti
Feliz [49]

Answer:

-During citric acid cycle or Krebs cycle, radioactive carbon will be first appear in citric acid

Explanation:

During cellular respiration, glucose is first converted into pyruvate molecules by the process of glycolysis. These pyruvate molecules go for oxidative decarboxylation, during which acetyl co-enzyme A (acetyl CoA) is formed along with removal of carbon dioxide.

The acetyl co-enzyme enters to the next step in cellular respiration or citric acid cycle or Krebs cycle. The first step of citric acid cycle is formation of citric acid by joining of acetyl CoA and oxaloacetate.

As citric acid is first molecule formed during citric acid cycle, radioactive carbon would be first appear in citric acid.

4 0
1 year ago
In a resting state, sodium (na+) is at a higher concentration outside the cell and potassium (k+) is more concentrated inside th
Anika [276]
The sodium levels increase inside the cell during action potential. Opposite to resting state, depolarization is the shift of electrical charge resulting in positive charge inside the cell. Depolarization is the start of cell-to-cell communication and other necessary physiological functions of an organism.
5 0
1 year ago
Read 2 more answers
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