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Ber [7]
2 years ago
15

Transport that moves materials against the concentration gradient is said to be

Biology
2 answers:
PSYCHO15rus [73]2 years ago
6 0

Answer:

It is Active Transport.

11111nata11111 [884]2 years ago
6 0
I do believe it is Active Transport.
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The first hominids to create sculptures, carvings, and paintings​
Alecsey [184]

Answer:

NeanderthalsThese artistic innovators were probably Neanderthals. Dated to 65,000 years ago, the cave paintings and shell beads are the first works of art dated to the time of Neanderthals, and they include the oldest cave art ever found

Explanation:

Which hominids created art? The first human artist on Earth is believed to have drew on a cave wall with red ochre over 65,000 years ago, as a Neanderthal reached out and drew on it. There is no evidence that the modern human is the only species to express itself through art, as is widely believed.

3 0
2 years ago
Checkpoints are points between phases of the cell cycle at which a cell determines whether all the requirements necessary for ea
Sedaia [141]

Answer:

The correct answer is - at the G1/S phase and G2/M phase.

Explanation:

The G1/S transition phase or checkpoint is a phase where the cell cycle arrested if during the evaluation of the DNA found damaged or other factors including external factors. Due to this evaluation and inadequate conditions, the cell will not enter the S phase.

The G2/M phase or transition phase is a checkpoint which takes place just before the M phase that ensures that all replicated DNA is not damaged before entering mitosis phase or M phase.

Thus, the correct answer is - at the G1/S phase and G2/M phase.

5 0
3 years ago
What dangerous environmental side effect increases because of human produced carbon dioxide?
vladimir1956 [14]
For the answer to the question above, one of the side effects of carbon in the environment is the global warming or Climate change. The Carbon dioxide traps the heat of the sun from escaping the atmosphere. This results to increase in global temperature which causes the ocean water to evaporate than usual and creates super typhoons.
6 0
3 years ago
A large population of mice is isolated on an island. There are two varieties of the mice, brown and gray. Their fur colors close
Nadusha1986 [10]

Answer:

C. disruptive natural selection

Explanation:

Disruptive selection is a type of natural selection in which extreme phenotypes are favored over intermediate phenotypes in a population. Environmental change is a major factor that can bring about disruptive selection. The individuals with the extreme phenotypes adapt well and are able to survive in the particular environment, while those individuals with intermediate phenotypes would hardly survive or be greatly reduced in number.

The gray rock outcrops and the brown soils of the Island favors the survival of mice with brown and gray fur color respectively. The fur colors of these two extreme phenotypes in the population of mice, have helped both varieties against Hawks as their main predators, hence establishing their existence on the Island.

3 0
3 years ago
how would the number of mitochondria in an insects wing compare to the amount found in other cells in an insects body
just olya [345]

Answer:

The cells of the wings contain more mitochondria compared to the insect body

Explanation:

The cells in the wings of an insect have more mitochondria compared to the cells of the insect body. Because the wings require more energy for their movement then rest of the body.The insects primary mode of locomotion are the wings the cells of muscle help to move that's why the wings cells contain more number of mitochondria than the body.

4 0
3 years ago
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