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3 years ago

How are frame-shift mutations different from simple point mutations? How can any of these mutations occur?

Biology

1 answer:

elena-s [515]3 years ago

3 0

Answer:

The changes in the single base or nucleotide in the nucleotide sequence and thus changing its complementary base also it is called as point mutations, while when there are insertions or deletions of more than one base pair in the nucleotide sequence it is known as frameshift mutations.

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An organism takes care of its young and produces few offspring. What type of organism is this?

erma4kov [3.2K]

Answer:

K-strategists

Explanation:

Reproductive pattern in organisms can be typically categorised into two:

1. K- Strategy

2. R- Strategy

K-strategists are organisms that lives in very stable environments and gives birth to fewer organisms. Most of these organisms reproduce close the carrying capacity of their habitat. They offer support and protection to their progeny to the points where they become indepedent. The mortality rate is very low in such organisms and so is the birth rate too.

R-strategists are organisms whose main aim is to populate and dominate an environment. They reproduce exponentially and offers no life support to their progeny in their early developmental stage. They often occupy unstable and highly unpredictable environments. Most R organisms have a very low and short life expectancy. Since they produce more offspring and they live under adverse environments, mortality rate is high.

Examples of K-strategists are elephants and man

Examples of R-stategists are grasses and microbes.

4 0

3 years ago

Read 2 more answers

What cell structures are made in g1

Harrizon [31]

Answer: What cell structures are made in G1?

Explanation: Answer= Organelles

6 0

3 years ago

Read 2 more answers

In an ecosystem, the herring population was reduced by fishermen. As a result, the tuna, which feed on the herring, disappeared.

Mkey [24]

Answer:

-------> Herring---------> Tuna

Sand eels ⇒/

---------> Cod -----------> Seabirds

Explanation:

Food Web is the complex interplay of interconnection between food chains and a graphical representation of what-eats-what in an ecological community.

From the question, the herring population was reduced by fishermen and as a result the tuna which feed on the herring disappeared. This implies that the tuna depends solely on the herrings for feeding. without they wont survive.

As we proceed, we were being told that the sand eels which are eaten by herring, increased in number.

If we pay close attention, we will understand that due to the reduction of the herrings made the sand eels to increased in numbers. The point is that herrings also feed on the sand eels, but as the herrings is being reduced by some anthropogenic factors caused by the fishermen the sand eels increased.

Also, the fishermen overharvested the sand eel population and the aftermath effect shows reduction in Cod and Seabirds. This implies that Cod feeds on sand eels and Seabirds feeds on Cod, but as the food chain is being disrupted by overharvesting of the sand eels, the effect was shown by a decreased in the Cod and Seabirds.

Therefore, the best diagrammatic representation that could fit best for this explanation is:

-------> Herring---------> Tuna

Sand eels ⇒/

---------> Cod -----------> Seabirds

5 0

3 years ago

Will give BRAINLIEST

zavuch27 [327]

Answer:

A. Trapping energy from the sun in the earth's atmosphere

Explanation:

The gases in the atmosphere have detrimental role in the global climate. The greenhouse gases, such as the carbon dioxide and methane have the ability to trap heat into the atmosphere. the heat that is trapped is the one that is bounced back from the earth's surface and back into the space, but these gases manage to retain big portion of it. As more and more heat is trapped, the atmosphere gradually becomes warmer, resulting in global climate changes, and overall a warmer earth, thus having the effect of the greenhouse on the planet.

7 0

3 years ago

Awsetrcyvgjhbkjn lm,/

lara31 [8.8K]

Answer:

kjsda;kfjl;dlskjf

Explanation:

have a great day!

5 0

3 years ago