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ss7ja [257]
3 years ago
12

Which helps prevent errors in DNA replication?

Biology
2 answers:
dedylja [7]3 years ago
8 0

Answer:B

Explanation:DNA polymerase check the DNA for errors.

maria [59]3 years ago
7 0
I believe b is the correct answer
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3 symbiotic relationships
shtirl [24]

Answer: Imagine life without your best friend. Who would you hang out with and talk to about your problems? Life would be so lonely! You rely on your friends for companionship, fun, and support. Animals rely on each other, too. Some have lifelong relationships with other organisms, called symbiotic relationships. There are three different types of symbiotic relationships: mutualism, commensalism, and parasitism.

Mutualism: both partners benefit. An example of mutualism is the relationship between the Egyptian plover and the crocodile. In the tropical regions of Africa, the crocodile lies with its mouth open. The plover flies into its mouth and feeds on bits of decaying meat stuck in the crocodile’s teeth. The crocodile does not eat the plover. Instead, he appreciates the dental work. The plover eats a meal and the crocodile gets his teeth cleaned. Coincidentally, the Egyptian plover is also known as the crocodile bird.

Commensalism: only one species benefits while the other is neither helped nor harmed. For example, remora fish are very bony and have a dorsal fin (the fin on the back of fish) that acts like a suction cup. Remora fish use this fin to attach themselves to whales, sharks, or rays and eat the scraps their hosts leave behind. The remora fish gets a meal, while its host gets nothing. Selfish, sure, but neither gets hurt.

Parasitism: One organism (the parasite) gains, while the other (the host) suffers. The deer tick is a parasite. It attaches to a warmblooded animal and feeds on its blood. Ticks need blood at every stage of their life cycle. They also carry Lyme disease, an illness that can cause joint damage, heart complications, and kidney problems. The tick benefits from eating the animal's blood. Unfortunately, the animal suffers from the loss of blood and nutrients and may get sick.

3 0
3 years ago
Read 2 more answers
Calculate the momentum for the following football player: Todd: mass = 80 kg, velocity = 1.7 m/s
MA_775_DIABLO [31]

Answer:4.9

Explanation:80+1.7=4.9

7 0
3 years ago
Which line from the text best supports the idea of a positive effect from plastics in the ocean? “surprisingly, there are some c
Bas_tet [7]
That line would be the first option - <span>“surprisingly, there are some creatures benefiting from all this plastic.” 
It is the only line which has a positive connotation because there are still some organisms which don't find plastics in the ocean to be a bad thing. The other options show only negative consequences of plastics being thrown in the oceans. </span>
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3 years ago
When alzheimer disease sets in early and impacts those under age 60, the final phase of the disease typically occurs around?
Aneli [31]
When alzheimer disease sets in early and impacts those under age 60, the final phase of the disease or death typically occurs around 3 to 5 years after the first signs of the disease appear. Alzheimer's disease is the most common type of dementia, which is represents the memory loss and other cognitive abilities serious enough to interfere with normal life. Alzheimer accounts for about 60 to 80 percent of dementia cases.
8 0
3 years ago
How much tropical rain forest is cleared every minute?
maria [59]

Answer:

100 acres of tropical rain forest are cleared every minute.

Explanation:

I had this question on a quiz and got it right. I hope I could help.

5 0
1 year ago
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