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ss7ja [257]
3 years ago
12

The change in the dominant, meaning more common, fur color from tan to brown is most likely due to ____.

Biology
1 answer:
Serggg [28]3 years ago
7 0

Answer:

d

Explanation:

body size has nothing to do with color. increased number of hunters doesn't work because environment isn't mentioned (i.e. if it was a snow environment it wouldn't make sense). random mutations have to have environmental cause to prevail. so it is d.

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Which phrase describes one characteristic of radioactive elements?
Tpy6a [65]

Answer is B) decay at a constant rate

3 0
2 years ago
A ______ food chain is one that includes a primary producer at the lowest trophic level and a herbivorous primary consumer at th
pentagon [3]

Answer:

The grazing food chain

Explanation:

There are two kinds of food chains one starting with autotrophs, the grazing food chain, and the other starting with dead organic matter, the detrital food chain.

4 0
2 years ago
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
What is the difference between metaphase in mitosis and metaphase II in meiosis? How are they the same?
lora16 [44]

Answer:

What is the difference between Metaphase 1 and Metaphase 2? In Metaphase I, the 'pairs of chromosomes' are arranged on the Metaphase plate while, in the Metaphase II, the 'chromosomes' are arranged on the metaphase plate. In Metaphase I, the spindle fibers get attached to two centromeres of each homologous chromosome.

In metaphase 1 the pairs of chromosomes referred to as bivalents are totally condensed. Moreover the in metaphase 1 of meiosis there is no centromere division whereas in metaphase of mitosis it does. They align on the metaphase plate in between the poles.

Explanation:

4 0
3 years ago
Who was one of the first scientist to use numbers to look for patterns in experimental data
ExtremeBDS [4]
<span>Gregor Mendel was one of the first scientists to use numbers to look for patters in experimental data. </span>
5 0
3 years ago
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