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motikmotik
3 years ago
15

Which two kingdoms in Eukarya evolved most recently?

Biology
1 answer:
anyanavicka [17]3 years ago
4 0

Answer:

Many scientists think that archaea evolved before bacteria, but there is disagreement on this point. The domain Eukarya contains four kingdoms: Protista (protists), Fungi, Plantae (plants), and Animalia (animals).

Explanation:

In fact, most scientists no longer use the terms "eubacteria" and "archaebacteria."

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if a creature dies without reproducing, how can it help transfer its genes to the next generation? (3-5 sentences please!)
marta [7]

Answer:

it can help to transfer its genes by people taking its DNA and duplicating, and putting it into another animal.

Explanation:

8 0
3 years ago
______ is a direct result of natural selection ?
Reptile [31]
C. adaptation is a direct result of natural selection
4 0
2 years ago
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How many possible open reading frames (frames without stop codons) are there that extend through the following sequence? 5'... C
fenix001 [56]

Answer:

There are 4 reading frames without stop codons.

Explanation:

1) To find the possible reading frames you need to separate your sequence in codons (trios)  for the 5'-> 3' sense, first, excluding the first nucleotide, then excluding 2 nucleotides and then not excluding nucleotides.

5'... C TTA CAG TTT ATT GAT ACG GAG AAG G... 3'  NO STOP CODON

5'... CT TAC AGT TTA TTG ATA CGG AGA AGG... 3'  NO STOP CODON

5'... CTT ACA GTT TAT <u>TGA</u> TAC GGA GAA GG... 3'

2)Then you find the complementary sequence (which you already have)

3'... GAA TGT CAA ATA ACT ATG CCT CTT CC... 5'

3'... GA ATG TCA AAT AAC TAT GCC TCT TCC... 5'

3'... G AAT GTC AAA TAA CTA TGC CTC TTC C... 5'

3) Next, you have to obtain the reverse complementary

CCT TCT CCG TAT CAA TAA ACT GTA AG NO STOP CODON

CC TTC TCC GTA TCA ATA AAC TGT AAG NO STOP CODON

C CTT CTC CGT ATC AAT AAA CTG <u>TAA</u> G

4)Now you need to find start (AGT in terms of DNA) and stop codons(<u>TAA</u>, <u>TAG,</u> <u>TGA</u>, also in terms of DNA), in 5->3 and de reverse complementary.

<em />

<em>As you can see, you have for open reading frames that lack of stop codon, unfortunately, they also lack of AGT, the start codon.</em>

I added a table where you can find thestart and stop codons as well as the proteins that they translate to in terms of RNA.

I hope you find this information interesting and useful, good luck!

8 0
3 years ago
HELP!!!! two questions pls :)
Mashcka [7]

Answer:

1.

To back up the scientist, when a person is more fit, their breathing will return to a normal rate faster than average, as B's rate returned faster than everyone else's, they are more fit.

Another reason the scientist could be right, is when a person is very athletic and fit, their resting heart beat is lower than an average person's heart rate. As person B has the lowest at 10, this would make them more fit.

2.

If the scientist counted wrong at all while measuring breath rates, the results could be wrong.

If each person did a different form of exercise, the results could also be wrong as different forms of exercise for each person would make the expirement inconclusive. (some exercises take more from the body than others).

Explanation:

7 0
3 years ago
Why do some people consider viruses to be alive
jeyben [28]
Because they have some properties of life!
5 0
4 years ago
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