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Dvinal [7]
3 years ago
11

Describe how the beaks of the bird species D, E, F, and J that eat fruits and seeds differ from the beaks of the bird species th

at eat only nectar.

Biology
1 answer:
Gala2k [10]3 years ago
4 0
Some ways to describe why the beaks are different from the birds that will only eat nectar and the birds that eat fruit are; the nectar eating birds have longer and thinner beaks. The beaks of the fruit and seed eating birds have have shorter and thicker beaks. 
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A DNA sequence that is 15 nucleotides long would give rise into a polypeptide sequence that was how many amino acids long?
Elena-2011 [213]

A DNA sequence that is 15 nucleotides long would normally give rise to a polypeptide sequence that would be 5 amino acids long. This is assuming that all the nucleotides in the DNA sequences are strictly coded to form only sense codons and not a single nonsense codon, also called termination codon

A sense codon is a set of three nucleotides also called a triplet, that codes for a particular amino acid. A DNA sequence of 15 nucleotides has 5 codons.

A nonsense or termination codon is one that does not code for any amino acid. There are three nonsense codons found on mRNA, and these are UAA, UAG and UGA.  So if the DNA sequence has one of these, then the amino acids  in the polypeptide chain will be 4 in number


7 0
3 years ago
Blood must travel through capillaries at a(n) ________ rate to assist with diffusion of fluid into the interstitial space.
kompoz [17]

Blood must travel through capillaries at a slow rate to assist with diffusion of fluid into the interstitial space.

Hope this helps!

3 0
2 years ago
How many body systems are in eating a single bite of turkey? PLSS HELP its duo in abt 6 mins!!​
NISA [10]

Answer:

There are 4 systems involved in this activity. these systems are: the skeletal, muscular, circulatory and digestive systems.

Explanation:

To eat a single bite of turkey it is necessary that 4 systems come into play and work together for this activity to be possible.

First, it is necessary that the turkey is brought to your mouth through the movement of its members. In that sense, the resqueletico and muscular systems will act because it is through them that the movements of the members are created.

Then you will need to bite the turkey, chew it, moisten it with saliva, swallow it and digest it. This work will be done with the digestive system that will manage all of these activities.

Finally, your body will need to absorb the elements that make up the turkey pedal that you ate and that were rescued by digestion, these elements are nutrients, proteins and others. All will be absorbed through the work of the circulatory system, which through the blood will carry the elements throughout the body.

5 0
3 years ago
What was known before Franklin and Wilkins conducted their studies of DNA? Check all that apply. DNA is found in the nucleus of
kvasek [131]

Answer:

The correct answer will be-

   1. DNA is found in the nucleus of a cell

    2. Organisms store and transmit genetic information

    3. Cells contain protein molecules.

Explanation:

The study of DNA started much before the discoveries of Rosalind Franklin and Maurice Wilkins.

Nucleus of cell was discovered by Robert Brown in 1831 but the material present inside the nucleus called "nuclein" (DNA) came from the studies of Johann Friedrich Miescher in 1869.

Proteins as a constituent of cell were discovered by the experimental analysis of Gerhardus Johannes Mulder in 1837.

DNA as a genetic material came from the experimental studies of Frederick Griffith in 1928, Oswald Avery, Maclyn McCarty, and Colin MacLeod in 1944, and Hershey and Chase in 1952.

Franklin and Maurice Wilkins are known for their work on the the structure of DNA as they were able to produce high-resolution X-ray photographs of DNA fibres called Photo 51 in 1952 using X-ray diffraction technique. By 1953 Franklin concluded concluded that DNA shows helical structure with phosphates on outer side.

Thus, 1. DNA is found in the nucleus of a cell

         2. Organisms store and transmit genetic information

         3. Cells contain protein molecules.

             are the correct options.

8 0
3 years ago
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Alika [10]
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