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3 years ago

In what ways have pesticide technology has good and bad impacts?

1 answer:

7 0

It kills insects,

Pros: less annoying weeds.
all the rodents and insects eating your crops will die

estimations show that millions of human lives have been saved from it (because bugs that carry malaria or yellow fever, or the black plague are being killed

Cons: Rodents and insects are very beneficial to the environment, so killing them harms the environment

the weeds and insects will become immune

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Which statement is true of DNA polymerase?

Snezhnost [94]

Answer:

b) DNA polymerase can synthesize DNA in the 5' to 3' direction

DNA polymerase is only able to synthesize a new strand of DNA and not mRNA. It is only able to do this in the 5' to 3' direction. The leading template strand runs in the 3' to 5' direction and so the new complementary strand is synthesized in a 5' to 3' direction in one continuous run, following the replication fork as it 'unzips' the DNA.

hope it helps btw i did this test and i got it correct

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please mark me brainliest

Explanation:

5 0

3 years ago

What is the process by which animals change over time

Naily [24]

Answer:

evolution? I think?

Explanation:

4 0

3 years ago

The Chesapeake Bay is a watershed that is located in six states and the District of Columbia. Which of the following can cause a

Svet_ta [14]

Answer:

An oil spill, fertilizer run off, and another thing i could think of is a flood hope this helped :)

Explanation:

6 0

3 years ago

A pea plant is heterozygous for Tallness. What gametes will it produce?

Lyrx [107]

Answer: Tt

Why? Heterozygous mean two different genotypes, meaning you need both dominant and recessive. So Tt

Hope this helps :D

6 0

3 years ago

Read 2 more answers

Suppose that in humans the ability to roll the tongue (R) is dominant to being unable to roll it (r), and having freckles (F) is

tatuchka [14]

Answer:

1/4

Explanation:

A heterozygous woman for both traits (RrFf) marries with a man with no freckles (ff) who can't roll his tongue (rr).

The cross is: RrFf X rrff.

The woman can produce the gametes RF, Rf, rF and rf

The man can only produce rf gametes.

The possible offspring that can arise from the combination of those gametes is:

1/4 RrFf Freckled, tongue-rolling
1/4 Rrff Freckled, unable to roll tongue
1/4 rrFf Not freckled, tongue-rolling
1/4 rrff Not freckled, unable to roll tongue

4 0

3 years ago