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Aleks04 [339]
3 years ago
11

The effect that yellowed or light-green leaves would have on a cucumber or tobacco plant

Biology
1 answer:
AURORKA [14]3 years ago
4 0

Answer:

The effect would be that the green leaves, which contain chloroplasts, containing a chemical called chlorophyll would enable the plants to take in more energy in the form of sunlight, enabling the plants to photosynthesise and grow.

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What do you think selectively permeable means?
enot [183]

Answer:

B. The membrane lets certain substances move across it freely, while others must move through a “gate”.

Explanation:

Selective permeability is a property of cellular membranes that only allows certain molecules to enter or exit the cell. This is important for the cell to maintain its internal order irrespective of the changes to the environment. For example, water, ions, glucose and carbon dioxide may need to be imported or exported from the cell depending on its metabolic activity. Similarly, signaling molecules may need to enter the cell and proteins may need to be released into the extracellular matrix. The presence of a selectively permeable membrane allows the cell to exercise control over the quantum, timing and rate of movement of these molecules.

3 0
3 years ago
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Which of the following would have an effect on an object's weight?
dybincka [34]
I'm guessing changing gravity
8 0
3 years ago
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Help......................................................
Serga [27]

Answer:

A. solar energy in the rays of sunlight

Explanation:

photons in the sunlight rays will excite the electrons in the water molecule and hence will provide the energy for calvin cycle.

8 0
3 years ago
The cytochrome c in both horses and pigeons differs from the human protein at 12 locations. Based on this data, you might infer
yuradex [85]

Answer:

Cytochrome c is an enzyme found in bacteria, fungi, plants and animals. Here it is given that the human amino acid sequence for cytochrome c differs at 12 locations from the sequence in horses and pigeons. This information might be useful for inferring in preliminary stages that horses and pigeons are closely related to each other since they both show similar amount of difference from humans.

However, this hypothesis is being made with respect to the the comparison between "humans and horses" and "humans and pigeons". To further test this hypothesis pigeons and horses should be directly compared to each other without the use of a third species like humans. Hence, the sequence for cytochrome c in horse and pigeon should be compared with each other rather than comparing to humans.

3 0
3 years ago
A client in preterm labor is to receive a tocolytic medication, and bedrest is prescribed. which position should the nurse sugge
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The nurse should suggest to the patient that she should maintain a LATERAL position. Lateral positioning means that the patient is lying on her side, it can be on the right side or the left side. This position is a good position for someone who is experiencing premature labour.
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3 years ago
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