complete the following paragraph to explain the function of the nucleus and its structures.
dna
the nucleus of the cell stores ______ information that determines the characteristics and functions.
chromosomes
the unique chemical composition of genetic information is called the ______.
genetic
the visible strands found inside the nucleus are called ______.
rna
one the strands coil and condense, they form rodlike structures called ______

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# Brief Explanations:
1. The nucleus stores genetic information (so first blank: genetic).
2. The chemical composition of genetic info is DNA (second blank: DNA).
3. Visible strands in nucleus are chromosomes? Wait, no—wait, the visible strands (when not condensed) or the genetic material in strands? Wait, the third blank: the visible strands inside nucleus (like chromatin? But the options are chromosomes, DNA, genetic, RNA. Wait, maybe the third blank: the strands (chromatin is made of DNA and protein, but the options here: the visible strands—maybe chromosomes? No, wait, the options are DNA, chromosomes, genetic, RNA. Let's re-express:

- First sentence: nucleus stores **genetic** info (since genetic info determines traits/functions).
- Second: unique chemical composition of genetic info is **DNA** (DNA is the molecule with genetic code).
- Third: visible strands inside nucleus (maybe chromosomes? Wait, no—wait, the options: the third blank: "The visible strands found inside the nucleus are called ______"—maybe chromosomes? Wait, no, chromosomes are condensed. Wait, maybe the strands are chromosomes? Wait, the options are DNA, chromosomes, genetic, RNA. Let's check each:

1. First blank: "stores ______ information" → genetic (since genetic info is what's stored).
2. Second: "chemical composition of genetic info is called the ______" → DNA (DNA is the chemical molecule of genetic info).
3. Third: "visible strands inside nucleus are called ______" → chromosomes? Wait, no, chromosomes are rod - like. Wait, maybe I made a mistake. Wait, the fourth blank (though the user's image shows part of it) but for the three blanks given:

First blank: genetic (nucleus stores genetic info).

Second blank: DNA (DNA is the chemical of genetic info).

Third blank: chromosomes? Wait, no, the visible strands—maybe the third blank is chromosomes? Wait, no, the options are DNA, chromosomes, genetic, RNA. Let's re - check:

- "The nucleus of the cell stores ______ information..." → genetic (because genetic information is what's stored to determine traits/functions).

- "The unique chemical composition of genetic information is called the ______" → DNA (DNA is the molecule that carries genetic information, its chemical structure is unique for that purpose).

- "The visible strands found inside the nucleus are called ______" → chromosomes? Wait, no, chromosomes are condensed. Wait, maybe the third blank is chromosomes? Wait, the options are DNA, chromosomes, genetic, RNA. Let's see the fourth blank: "Once the strands coil and condense, they form rod - like structures called ______" → chromosomes. So the third blank (the visible strands before coiling? But the options: maybe the third blank is chromosomes? No, maybe I messed up. Wait, let's list the options and blanks:

Blanks:

1. stores ______ info → genetic.

2. chemical composition of genetic info is ______ → DNA.

3. visible strands inside nucleus are ______ → chromosomes? Wait, no, chromosomes are rod - like. Wait, maybe the third blank is chromosomes? Wait, the options are DNA, chromosomes, genetic, RNA. Let's correct:

1. First blank: genetic (nucleus stores genetic information).

2. Second blank: DNA (DNA is the chemical substance of genetic information).

3. Third blank: chromosomes? Wait, no, the visible strands—maybe the third blank is chromosomes? Wait, the fourth blank (partially shown) is about coiling to form rod - like structures (chromosomes). So the third blank: the visible strands inside nucleus (before coiling) are maybe chromosomes? No, maybe the third blank is chromosomes. Wait, let's proceed with the correct answers based on cell biology:

- Nucleus stores **genetic** information.

- The chemical composition of genetic info is **DNA**.

- The visible strands (when condensed? No, maybe the question has a simplification) inside nucleus are called **chromosomes**? Wait, no, chromatin is the uncondensed form, but the options don't have chromatin. So with the given options, the answers are:

First blank: genetic

Second blank: DNA

Third blank: chromosomes (wait, no, the fourth blank is about coiling to form chromosomes. So maybe the third blank is the strands (chromatin) but since the option is chromosomes, maybe the question simplifies.

So the completed sentences:

1. The nucleus of the cell stores **genetic** information that determines the characteristics and functions.

2. The unique chemical composition of genetic information is called the **DNA**.

3. The visible strands found inside the nucleus are called **chromosomes** (even though technically chromatin is uncondensed, but with the options, this is the best fit).

(Note: There might be a typo in the fourth sentence "One the strands..." which should be "Once the strands...", and the answer for that would be chromosomes, but since the user's question is about the three blanks shown, we focus on those.)
# Answer:
1. The nucleus of the cell stores $\boldsymbol{\text{genetic}}$ information that determines the characteristics and functions.
2. The unique chemical composition of genetic information is called the $\boldsymbol{\text{DNA}}$.
3. The visible strands found inside the nucleus are called $\boldsymbol{\text{chromosomes}}$.

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