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Mademuasel [1]
3 years ago
13

Does both the nucleus and the cytoplasm divides in the same stage

Biology
1 answer:
hoa [83]3 years ago
7 0

Answer:

No

Explanation:

Mitosis is the process in cell division where the nucleus divides into two nuclei, each with an identical set of chromosomes. Mitosis is divided into four phases: prophase, metaphase, anaphase, and telophase. The shortest stage of the cell cycle is called cytokinesis (division of the cytoplasm).

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Which of these is associated with El Niño?
muminat

Answer

CORRECT ANSWER  ► B

B- A periodic warming sea surface temperatures

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3 years ago
In order for high force crossbridges to form in contracting skeletal muscle, calcium must a. bind to calmodulin to phosphorylate
Maksim231197 [3]

Answer:

e. bind to troponin which moves the tropomyosin.

Explanation:

Troponin (Tn) is a protein complex composed of three different proteins: troponin C (TnC), troponin I (TnI), and troponin T (TnT). This complex is found both in skeletal muscles and cardiac muscles, where TnC attaches calcium ions through four and three calcium ion-binding sites, respectively. When a muscle is relaxed, Tn attaches to tropomyosin to prevent muscle contraction. During muscle contraction, calcium channels open and cytosolic calcium ions bind to TnC, thereby Tn changes its conformation and moves the tropomyosin. This process relieves the inhibition of the interaction between actin and myosin filaments, which makes muscle contraction possible.

6 0
3 years ago
What is a gene? a single strand of DNA. the fundamental unit of heredity. a single nucleotide. the fundamental unit of DNA
const2013 [10]

Answer:

the fundamental unit of heredity

Explanation:

DNA is a double stranded helix structure. Each strand is made up of a string of nucleotides.

A gene is a region of DNA, usually tens of thousands of nucleotides long. At the simplest level, one gene encodes for one trait. Therefore, the gene can be described as the fundamental unit of heredity.

Genes work by coding for specific proteins, which carry out essentially all the functions in the cell.

6 0
2 years ago
WILL PICK BRANLIEST!! EACH ONE IS ONE OF THE FOUR CHOICES ON THE BOTTOM
lilavasa [31]

prophase I : homologous chromosomes are paired

metaphase I : the centrosome replicates

anaphase I: homologous chromosomes are separated

telophase I : nuclear envelopes form around separated chromosomes

8 0
3 years ago
Enzymes ______________ the rate of a specific chemical reaction.
ladessa [460]

Answer: Enzymes <u>b. increase</u> the rate of a specific chemical reaction.

8 0
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