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love history [14]
4 years ago
14

What would happen if a replicated chromosome failed to correctly attach to the mitotic spindle?

Biology
1 answer:
svet-max [94.6K]4 years ago
6 0

Answer:

The chromosomes will not be separated and the cell cycle will be blocked

Explanation:

Chromosome separation is one of the key steps during the formation of daughter cells during M-phase.

The chromosome segregation is proceeded by the attachment of the mitotic spindle (cytoskeletal structures) to the kinetochores of the chromosomes during metaphase.

If the chromosomes are not attached to the mitotic spindles or the kinetochore not properly attached to the spindle than a cell cycle checkpoint called spindle assembly checkpoint will not allow the cell to enter anaphase and the cell cycle will not proceed.

Thus, the chromosomes will not be separated and the cell cycle will be blocked is correct.

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The number of wild horses per square kilometer in a prairie is the horse populations is called
Gwar [14]

Answer:

Population density of horse

Explanation:

Population density refers to the number of people (or any other living species) existing in a particular area. This reflects the quantity of a particular type of living species that exist over an area of about 1 km².

Population density is obtained mathematically by, dividing the total population of the area by the total size of the area.

In the given question, it describes the quantity (number) of wild horses that are present per square kilometer in the prairie lands. This refers to the population density of horses.

7 0
4 years ago
Skin cells are lost daily even without injury. The cell cycle responds by promoting
SCORPION-xisa [38]

The correct answer choice which best describes the purpose of the cell cycle for skin cells in this circumstance is <u>reproduction</u>

The correct answer choice is a

<h3>Healthcare </h3>

Healthcare can simply be defined as an organized medical care given to a person, organization or even a community either by a doctor, nurse or any other licensed healthcare professional

However, healthcare-associated Infections, are those infections patients can get during their treatment for another condition due to bacteria, viruses, fungi, and other pathogens.

And for a good reason, the fundamental purpose of healthcare is to enhance healthy living and quality of life by giving quality healthcare services.

So therefore, the correct answer choice which best describes the purpose of the cell cycle for skin cells in this circumstance is reproduction

Complete question:

Skin cells are lost daily even without injury. Which best describes the purpose of the cell cycle for skin cells in this circumstance?

a. reproduction

b. repair

c. synthesis

d. growth

Learn more about healthcare:

brainly.com/question/4784548

#SPJ1

7 0
2 years ago
What behavioural adaptation does a desert fox have to help it survive in hot places
SIZIF [17.4K]
1. Their large ears help dissipate excess body heat on hot days in the desert. 2. The fennec fox seems to be the only carnivore living in the Sahara Desert able to survive without free water. Their kidneys are adapted to restrict water loss, their extensive burrowing may cause the formation of dew, which can then be consumed, and they will receive moisture from the food that they eat. 3. Their burrowing and nocturnal lifestyle helps restrict water loss. 4. Their thick fur helps insulate them from the cold desert nights. 5. Their sandy fur helps to reflect heat, and also provides excellent camouflage. 6. Fennec foxes also have thick fur on the soles of their feet, which insulate against the hot sand of the desert. This extra fur on the soles of their feet also affords them excellent traction in the loose sand.
7 0
3 years ago
How many variations do you observe?
masya89 [10]

Answer:

Variation, in biology, any difference between cells, individual organisms, or groups of organisms of any species caused either by genetic differences (genotypic variation) or by the effect of environmental factors on the expression of the genetic potentials (phenotypic variation). Variation may be shown in physical appearance, metabolism, fertility, mode of reproduction, behaviour, learning and mental ability, and other obvious or measurable characters.

chromosomes or by differences in the genes carried by the chromosomes. Eye colour, body form, and disease resistance are genotypic variations. Individuals with multiple sets of chromosomes are called polyploid; many common plants have two or more times the normal number of chromosomes, and new species may arise by this type of variation. A variation cannot be identified as genotypic by observation of the organism; breeding experiments must be performed under controlled environmental conditions to determine whether or not the alteration is inheritable.

Genotypic variations are caused by differences in number or structure of Environmentally caused variations may result from one factor or the combined effects of several factors, such as climate, food supply, and actions of other organisms. Phenotypic variations also include stages in an organism’s life cycle and seasonal variations in an individual. These variations do not involve any hereditary alteration and in general are not transmitted to future generations; consequently, they are not significant in the process of evolution.

Explanation:

Brainliest please?

8 0
3 years ago
What element is all life based upon
STALIN [3.7K]

Answer:

what element is all life based on

Explanation:

the element is element carbon

7 0
4 years ago
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