BIOLOGY HIGH SCHOOL

The spindle apparatus disintegrates during anaphase. true. false

Answers

Answer 1
Answer: The answer is true. In cell science, the shaft contraption alludes to the cytoskeletal structure of eukaryotic cells that structures amid cell division to separate sister chromatids between little girl cells. It divides the eukaryotic cells. I hope the answer will help you.
Answer 2
Answer: It is false that the spindle apparatus disintegrates during anaphase. The spindle apparatus disintegrates during the telophase of mitosis. This is the final phase of cell division, in this phase chromosomes move to opposite ends of the cell and two nuclei are formed.

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which term describes a mechanism by which the internal conditions of an organism are kept at set values without regard to the external conditions?

Answers

The answer is homeostasis. 

Homeostasis is a mechanism which controls internal conditions of an organism so that internal conditions remain stable without regard to the external conditions. So, it regulates body temperature, water level, sugar level, etc. It works through negative feedback mechanism. For example, if body temperature is increased, the body detect the change and activate mechanisms that decrease body temperature. Without homeostasis, the organisms could not survive.

Which genetically engineered hormone is used to control glucose levels in humans

Answers

Insulin is used . It involves a long process with bacteria and genes to extract the insulin safe for humans .

_______ is/are the raw material of evolutionary changea. Genetic drift
b. Nonrandom mating
c. Assortative mating
d. Mutations

Answers

d. Mutations

Mutations are a naturalphenomenon that are alterations or slight modifications that occurs in the DNA.It actually is typical for these modifications to occur in most DNA in our chromosomes.Though the changes both intrinsically and extrinsically can only be the resultof such need, insignificant or have an insidious effect. It can’t be avoidedand it usually happens every time cells undergoes mitosis and meiosis. Further,most of these modifications in the copied cells are good. Lastly, the mutationprocess happens in the basic structure that shapes every cell and everycreature so it just a natural phenomenon, mostly.

Final answer:

Mutations are the raw material of evolutionary change, introducing genetic variation required for natural selection. Genetic drift, Nonrandom mating and Assortative mating, while part of the evolutionary process, are not the 'raw materials'.

Explanation:

The raw material of evolutionary change is mutations. Mutations are a change in a DNA sequence that can lead to different phenotypic traits. The DNA sequence changes can come in various forms such as deletions, insertions, or substitutions in the base pair sequence. These Mutations are a source of genetic variation, which is crucial for the process of natural selection. Without mutations, evolution could not occur because there would be no variation for natural selection to act upon. Genetic drift, Nonrandom mating and Assortative mating are mechanisms of evolution, not raw materials.

Learn more about Mutations here:

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How comparable are the two plant specimens?
Claim
Evidence
Reasoning

Answers

The answer would be claim hope it helps

Global climate can be greatly affected by volcanic eruptions as a result of the release of sulfur dioxides and ____.A) Carbon Dioxide
B) Water
C) Oxygen
D) Carbon Monoxide

Answers

D,   Carbon Monoxide.  

Answer:it is D

Explanation:

USA TEST PREP

Lactic acid and energy is produced in muscle cells duringaerobic respiration

cellular respiration

anaerobic respiration

cellular division

Answers

Anaerobic respiration, specifically lactic acid fermentation. Since there is no oxygen present, neither the electron transport chain nor the Krebs cycle can take place, leaving only glycolysis (an anaerobic process). In order to create more NAD+ during lactic acid fermentation, lactic acid is formed as a byproduct. The other form of fermentation is alcohol fermentation when ethanol is produced as a byproduct.
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