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d1i1m1o1n [39]
3 years ago
13

Looking into your microscope, you spot an unusual cell. Instead of the typical rounded cell shape, the cell has a very narrow mi

ddle separating two bulging ends. It sort of looks like the number 8! You realize that this cell is A) undergoing cytokinesis B) in the S phase of interphase. C) in the G1 phase of interphase. D) about to undergo mitosis.
Biology
1 answer:
Fittoniya [83]3 years ago
5 0

Answer:

<h2>A </h2>

Explanation:

Cell completes its division by karyokinesis and cytokinesis.

The division of nucleus is known as karyokinesis which divided into two main phases known as inter-phase and mitotic phase.

Inter-phase is further divided into G1, S and G2 phase, in S phase, replication of DNA occurs. Mitotic phase is further divided into prophase, metaphase, anaphase and telophase.

After telophase, Cytokinesis occurs. Cytokinesis is the process of the division of cytoplasm, which occurs after karyokinesis. In cytokinesis, the cell contains a very narrow middle separating 2 bulging ends and the cells looks like as  the number 8.

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Niche- <br> Describe a specific organisms niche found in the Gobi Desert
bulgar [2K]

Answer:

Desert Niches

Adaptations include a species' selection of food, water and shelter as well as other facts of its behavior. Niches within desert ecosystems include open desert scrub, open grasslands, washes and sandy soils.

Explanation:

7 0
2 years ago
Some students believe that if they drink a glass of milk before bed and would make them sleep longer what’s the independent vari
miss Akunina [59]

Answer:

Independent variable: Glass of milk

Dependent variable: Time of sleep

Control variable: same type of milk

Explanation:

Independent variable in an experiment refers to the variable that the experimenter manipulates or changes in order to get a response in another variable (dependent). In this case, the independent variable is the GLASS OF MILK taken before bed.

Dependent variable is that variable that is measured in an experiment. It is the variable that responds to the changes made to the independent variable. In this experiment, the dependent variable is the TIME OF SLEEP of the students.

A control variable or constant is the variable that is kept unchanged throughout the course of the experiment in order not to alter the outcome of the experiment. In this experiment, a control variable can be the SAME TYPE OF MILK taken by each student.

6 0
3 years ago
The slow accumulation of genetic changes to an influenza virus over time is referred to as _______.
Ivenika [448]

Answer:

<u>Antigenic drift</u> refers to the slow accumulation of genetic changes to an influenza virus over time.

Explanation:

Antigenic drift is defined as the mechanism by which viruses undergo variation. This mechanism involves the slow accumulation of mutations in the viral genes, that are responsible for coding the antibody binding sites. This leads to the formation of a new strain of virus, which can't be inhibited by the old antibodies. Due to this, the virus can easily spread the disease.

The antigenic drift occurs in the influenza A virus and also the influenza B viruses.

Therefore, <u>Antigenic drift refers to the slow accumulation of genetic changes to an influenza virus over time.</u>          

8 0
3 years ago
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Butoxors [25]
Group 7A, the Halogens contain metalloids such as Astatine.
8 0
3 years ago
Explain why a lock and key are used to describe the way in which an enzyme works. Describe any ways in which the
LiRa [457]
The lock an key analogy is used because each enzyme has specific substrates that fit into it. This is like how locks only work with a specific key. The enzyme is the lock and the substrates are the key.
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This analogy is not perfect because there are often multiple substrates for each enzyme reaction. It only takes one key to turn the lock. The reaction is also taking place between the substrates themselves and not the enzyme. In the lock and key analogy, the lock is affected by the key, but in an enzyme reaction, the substrates are affected by the enzyme.
Hope I’ve helped ;)
6 0
3 years ago
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