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Radda [10]
3 years ago
14

What are some facts about eukaryotic cells?

Biology
1 answer:
Irina-Kira [14]3 years ago
3 0

Eukaryotic cells have a defined nucleus. The nucleus is the command center of the cell. The work “karyon” comes from a Greek word that means “grain” or “seed”. Scientists use this word to describe the nucleus. Multicellular organisms such as animals, plants, and fungi, have eukaryotic cells.

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DNA replication occurs prior to meiosis and _________.
Evgesh-ka [11]
A. Mitosis is the correct answer.

DNA replication occurs in the two major types of cell division: mitosis and meiosis.

Mitosis is the splitting of a normal cell into two daughter cells and involves complete replication of the cells DNA to produce two identical copies. Meiosis is a specialised and more complex two-stage form of cellular division related to sex cells and involves DNA replication followed by an exchange of DNA material within/between the chromosomes to mix genes from both parents and produce daughter cells with half the number of chromosomes as the original parent cell. Animal sperms and eggs are examples of cells produced by meiosis and contain half the number of chromosomes as normal cells. When combined during fertilization the egg and sperm produce a cell with the full compliment of chromosomes.

Cytokinesis is a part of the cellular life cycle that is related specifically to the division of the cytoplasm (basically the "soup" of material inside the cell). It is part of the cellular division process but not specifically related to nuclear division (i.e. DNA replication).

Transcription relates to the production of RNA from DNA which is then used for protein synthesis. DNA is not replicated during the transcription process, rather, this is a separate process critical for the production of proteins by the cell.
6 0
3 years ago
Chemical bonding please help!
olga_2 [115]

Answer:

A chemical bond is a lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds. The bond may result from the electrostatic force of attraction between oppositely charged ions as in ionic bonds or through the sharing of electrons as in covalent bonds.

8 0
3 years ago
An infant is brought to the emergency de­partment and pronounced dead with the preliminary finding of sudden infant death syndro
Nina [5.8K]
Answer: 

1. How did the infant look when you found he or she/him or her?

2. Was the infants' head buried in a blanket?

3. Did you hear the infant cry out?

4. Were any of the siblings, jealous of the new baby?
4 0
3 years ago
What term refers to organisms that look alike and produce fertile offspring?
OlgaM077 [116]

Answer:

Species

Explanation:

Such as humans, we are a species because we all look similar and can reproduce with one another.

8 0
3 years ago
True or false: The heart myocardium is nourished primarily through the diffusion of nutrients from the blood in the heart chambe
lesya692 [45]

It is false that the heart myocardium is nourished primarily through the diffusion of nutrients from the blood in the heart chambers.

<h3>Heart Myocardium?</h3>

Heart Myocardium is also called Cardiac muscle is a specialized type of muscle tissue that cover the heart. The cardiac muscle ontracts and relaxes nvoluntarily and it help to keep the heart pumping blood to the body.

Therefore, It is false that the heart myocardium is nourished primarily through the diffusion of nutrients from the blood in the heart chambers because it is nourished by blood flow through the coronary arteries.

Learn more about Myocardium from the link below.

brainly.com/question/1373449

4 0
2 years ago
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