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attashe74 [19]
3 years ago
6

the concentration of a sugar is high inside a cell and slightly lower outside the cell. what is most likely to occur if the suga

r molecules can cross the membrance
Biology
1 answer:
RoseWind [281]3 years ago
7 0
Thay will disolve and die
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I need help...................
Cerrena [4.2K]
The answer is polarity
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An organelle that appears as a stack of flattened membranes; it modifies, sorts, and packages proteins and other materials from
inna [77]
The answer is probably A. Golgi apparatus
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3 years ago
If predators A and B prey upon the same species and predator A is eliminated, the population of predator B will likely _________
Allushta [10]

Answer:

Increase

Explanation:

The predator is a type of animal or bird species which kill other animals to obtain its food. The prey is the animal which is killed by the predator. According to the given situation, if the predator species A is eliminated, the population of the predator B will likely increase because there will be no competition between the two species for the same prey. And the chances of predator B obtaining the prey will increase. Hence, the population will increase.

4 0
3 years ago
Read 2 more answers
Question: Using your understanding of the 4 macromolecules explain how Earth’s early atmosphere and the 4 molecules taught could
Zielflug [23.3K]

Answer:

Advanced forms of life existed on earth at least 3.55 billion years ago. In rocks of that age, fossilized imprints have been found of bacteria that look uncannily like cyanobacteria, the most highly evolved photosynthetic organisms present in the world today. Carbon deposits enriched in the lighter carbon-12 isotope over the heavier carbon-13 isotope-a sign of biological carbon assimilation-attest to an even older age. On the other hand, it is believed that our young planet, still in the throes of volcanic eruptions and battered by falling comets and asteroids, remained inhospitable to life for about half a billion years after its birth, together with the rest of the solar system, some 4.55 billion years ago. This leaves a window of perhaps 200-300 million years for the appearance of life on earth.

divine interventionThis duration was once considered too short for the emergence of something as complex as a living cell. Hence suggestions were made that germs of life may have come to earth from outer space with cometary dust or even, as proposed by Francis Crick of DNA double-helix fame, on a spaceship sent out by some distant civilization. No evidence in support of these proposals has yet been obtained. Meanwhile the reason for making them has largely disappeared. It is now generally agreed that if life arose spontaneously by natural processes-a necessary assumption if we wish to remain within the realm of science-it must have arisen fairly quickly, more in a matter of millennia or centuries, perhaps even less, than in millions of years. Even if life came from elsewhere, we would still have to account for its first development. Thus we might as well assume that life started on earth.

How this momentous event happened is still highly conjectural, though no longer purely speculative. The clues come from the earth, from outer space, from laboratory experiments, and, especially, from life itself. The history of life on earth is written in the cells and molecules of existing organisms. Thanks to the advances of cell biology, biochemistry and molecular biology, scientists are becoming increasingly adept at reading the text.

An important rule in this exercise is to reconstruct the earliest events in life's history without assuming they proceeded with the benefit of foresight. Every step must be accounted for in terms of antecedent and concomitant events. Each must stand on its own and cannot be viewed as a preparation for things to come. Any hint of teleology must be avoided.

3 0
2 years ago
Match the food technology with its definition
tia_tia [17]
Anti-caking Agents- keep powdered food flowing freely and prevent lumping, caking, and moisture absorption

pH control agents- control acidity and alkalinity

Preservatives- help prevent chemical reactions that cause food to deteriorate

Stabilizers, thickeners, and texturizers- give food a uniform texture
7 0
3 years ago
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