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Stells [14]
3 years ago
15

The nucleus has a system of _____ embedded within its outer membrane which allows communication between the nucleus interior and

the cytoplasm.
Biology
1 answer:
Bumek [7]3 years ago
5 0

Answer:

pores

Explanation:

The nucleus consists of "nuclear pores" on its outer membrane. Each of these are surrounded by <em>nuclear pore complex.</em> It allows the pore to <u>regulate the movement of molecules between the nucleus and the cytoplasm.</u> It allows small particles to pass through such as ribosomal proteins. It prevents most large particles<em> (except for histone)</em> from passing through; thus, <u>it is selective in nature</u>. This function of the pores clearly shows that <em>it allows communication to occur between the nucleus interior and the cytoplasm.</em>

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Which animal is native to a different part of the world than the other two? walrus polar bear penguin.
salantis [7]

Penguin is an animal that is native to a different part of the world other than the other two

<h3>What is native species?</h3>

Native species refers to species of organisms that of a particular origin. They are organism found in a location where they are native to or have there origin there .

Therefore, Penguin is an animal that is native to a different part of the world other than the other two

Learn more about native species below.

brainly.com/question/14188968

#SPJ1

5 0
2 years ago
Which of the following can occur in a polar cell? Select all that apply.
julsineya [31]

I believe the answers are A. C. D.

7 0
3 years ago
Which of the following describes a pod?
svp [43]
Both answers C. and D. are correct. Most marine animals live in pods like seals, whales, and walrus. A. is called a school of fish while B. is a colony of penguins. :(
6 0
3 years ago
Which of the following statements about the products of glycolysis is TRUE?
lana66690 [7]
<span>You are likely talking about aerobic respiration rather then just glycolysis based on the options: The third option seems best, pyruvate is heavily oxidized during the Kreb's cycle and removed as CO2.
 
Wrong options
Option1- FADH2 is also another highly energetic molecule produced during

Option2- oxidation of pyruvate is a highly directional process and can be considered irreversible in the cell

Option4- Aerobic respiration RELEASES energy from pyruvate and the into NADH/FADH which is then captured by the electron transport chain. An exergonic rxn would take in energy and would not happen spontaneously


This can be looked from different perspectives, but let me know if my answer made sense. </span>
7 0
3 years ago
We would expect that a 15-nucleotide sequence that includes a stop codon at the end (as part of the 15-nucleotide sequence) will
slega [8]

Answer: Four amino acids.

Explanation:

RNA (ribonucleic acid) and DNA (deoxyribonucleic acid) are polymers made up of long chains of nucleotides. Thus, a nucleotide is the basic building block of nucleic acids and consists of a sugar molecule (ribose in RNA or deoxyribose in DNA) linked to a phosphate group and a nitrogenous base. <u>The nitrogenous bases can be Adenine (A), Thymine (T), Cytosine (C), Guanine (G) or Uracil (U) replacing T in RNA</u>. DNA is the molecule that stores the genetic information to synthesize polypeptides or proteins (set of amino acids). When proteins need to be created, DNA is transcribed into RNA and this RNA is translated in ribosomes to create polypeptides.

Complementarity is the ability to combine with their complement. A and T (or U) are complementary, while C and G are complementary to each other. Complementarity is the principle of replication and transcription, because it is a propery of both DNA and RNA sequences. Their the nucleotide bases at each position of the sequences are complementary, allowing cells to copy information.

Nucleotides in RNA are grouped into codons, which consist of groups of 3 nucleotides where each codon codes for an amino acid. Therefore, <u>the sequence of bases in nucleic acids determines which protein will be synthesized</u>. Protein synthesis begins with a start codon (AUG, which codes for the amino acid methionine) and ends with a stop codon (UGA, UAG and UAA). So, if there are 15 nucleotides, there are 15 bases. Since they are grouped in groups of 3, we will have a polypeptide of 4 amino acids.

<u>3 nucleotides form a codon, so 12 nucleotides form 4 codons giving 4 amino acids. The last codon, is formed by the last 3 nucleotides and form the stop codon that stop protein synthesis</u>.

7 0
3 years ago
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