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Nady [450]
2 years ago
13

What do parrotfish eat

Biology
2 answers:
serg [7]2 years ago
6 0
Parrotfish eat coral
77julia77 [94]2 years ago
4 0
Coral, it bites of large proportions of the coral and grinds it up with its special teeth. 
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Fill in the blanks of the following sentences. A chromosome contains one long __________ molecule. Each gene in this molecule gi
Rashid [163]

1. A chromosome contains one long DNA molecule.

DNA or deoxyribonucleic acid is a fundamental and essential macromolecule that is built from the chain of nucleotides. A nucleotide consists of one of four nitrogen-containing nucleobases (cytosine [C], guanine [G], adenine [A] or thymine [T]), a sugar called deoxyribose, and a phosphate group. DNA carries the genetic instructions used in the growth, development, functioning and reproduction of all known living organisms. It is organized (packed) into structures-chromosomes and during cell division, these chromosomes are duplicated in the process of DNA replication. The process of replication provides each cell with its own complete set of chromosomes.

 

2. Each gene in this molecule gives the instructions for making a PROTEIN.

The genetic information in a genome is held within genes. Genes are a sequence of DNA that codes for a molecule that has a function, and usually, it is a protein. During gene expression, the DNA is first copied into RNA in a process called transcription. Then, synthesized RNA can be directly functional or be the template for a protein that performs a function. Synthesis of protein from RNA is a process called translation.

 

3. Both chromosomes in a pair of HOMOLOGOUS chromosomes have the same GENE, but the two chromosomes may have different ALLELES.

Homologous chromosomes are a set of one maternal and one paternal chromosome. Those chromosomes pair up with each other inside a cell during meiosis. Homologs have the same genes in the same loci but the alleles may be different, resulting in different phenotypes of the same genes. During the meiosis, the process of crossing over occurs when homologous chromosome pair exchange parts of DNA with one another.

 

4. Chromosomes that are not homologous have different GENE which gives the instructions for making different kinds of proteins.

Non-homologous chromosomes differently from homologous consist of alleles of different types of genes. Non-homologous chromosomes do not pair during meiosis and the shape of the chromosome, the length of the arms and the position of the centromere, is different among those chromosomes.

4 0
3 years ago
Read 2 more answers
When is observation a better tool for proving a hypothesis than experimentation
Fudgin [204]

Answer: when it envolves the world

Explanation: if it has anything to do with the world observations are better than experimenting and much safer.

4 0
3 years ago
How does the vacuole (10) in this animal cell differ from the vacuole in a plant cell? A) It is never fluid filled. B) It is lar
irinina [24]

The correct answer is (d) It is smaller and does not give shape to the animal cell.

Animal cells have smaller vacuoles as compare to that of plant cell. It does not decides the shape of the of the animal cell. The main function of vacuoles in animal cell is endocytosis and exocytosis. They store the waste material. In plant cell the vacuoles cover almost 90% of the space and decides the shape of the plant cell as they are filled with water. This helps the plant cell to maintain turgor pressure.






8 0
3 years ago
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Which is considered a scientific observation?
jasenka [17]

Answer:

Mahir noticed the plant he watered grew taller than those with less water

Explanation:in the process of the scientific method,an observation about an occurrence happens first before an hypothesis is formulated and tested .

Observation usually involves the the description of a phenomenon.

6 0
3 years ago
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What is the period of cell life when it is conducting cell division?
Luden [163]
M phase is the period in the life of the cell when it is conducting cell division
6 0
3 years ago
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