BIOLOGY HIGH SCHOOL

Two different versions of a gene are referred to as __________. twins duplicates alleles poles NextReset

Answers

Answer 1
Answer: Two different gene versions are called alleles.
Answer 2
Answer:

yep its c have a nice day :)

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How is the reproductive system different from other body systems?

Answers

Most body systems are necessary to keep an individual alive.

Unlike other body systems, the reproductive system is not essential to keep an individual alive.

Answer:

Most body systems are necessary to keep an individual alive.

Unlike other body systems, the reproductive system is not essential to keep an individual alive.

Explanation:

edg. I got it right

i believe it is c Cladistics is a type of ______ developed by German biologist Willi Hennig to formulate a more objective method for classifying organisms. phenetics systematics evolutionary theory none of the above

Answers

Cladistics is a type of evolutionary theory developed by German biologist Willi Hennig to formulate a more objective method for classifying organisms.

it is systematics  1 0 0 %





Early in mitosis, the nucleus, nucleolus, and nuclear envelope begin to dissolve in preparation for cell division. In which stage of the cell cycle is this process reversed?

Answers

Answer:

The correct answer would be the telophase of mitosis.

Mitosis or M-phase of the cell cycle is the phase in which actual cell division takes place.

It is sub-divided into four stages:

1. Prophase:

Early prophase:

  • Chromosomes start condensing.
  • The mitotic spindle fibres initiate to form.
  • The nucleus, nucleolus, and nuclear envelop begins to dissolve.

Late prophase or prometaphase:

  • The chromosomes are condensed.
  • The nucleus, nucleolus, and nuclear envelop are fully dissolved.
  • The spindle fibres keep growing and started capturing chromosomes.

2. Metaphase: All chromosomes are aligned at the center forming a metaphase plate. In addition, two kinetochores of each chromosomes are attached to the microtubules extending from opposite spindle fibres.

3. Anaphase: The sister chromatids of the chromosome are pulled towards opposite ends of the cell. Also, the cell elongates which help in division.

4. Telophase: It is exactly opposite to what happens in the prophase. The mitotic spindle break down, nuclear membrane and nucleus reappear, and chromosome again decondense to form chromatin fibres.

Cytokinesis results in the formation of two daughter cells.

Mitosis is the process by which a single parent cell divide into two identical daughter cells. The process occurs in five stages, which are: interphase, prophase, metaphase, anaphase and telophase. The processes that occur in the early part of mitosis are usually reversed at the telophase stage, which is the last stage of the process. At the telophase stage, the nuclear membrane and the neucleoi reappear and the chromosome begins to condense.

A spider building its first web does so perfectly. What type of behavior is this?

Answers

When a spider is building its first web so perfectly, it is because of its innate behavior.
When u say innate behavior, it is a behavior that is not being learned or practiced. Rather it is based on its instinct which spider has when building their cab webs.

People with diabetes often receive insulin injections. What effect does insulin have on the body?

Answers

Answer:

Insulin is secreted by the pancreas which regulates the blood glucose level in the blood. Insulin generally reduces the blood glucose level by depositing the glucose in the liver and muscles as glycogen.

In diabetic people, enough insulin is not produced by the pancreas as a result glucose level increases in the blood which is called hyperglycemia. So in this condition, insulin injection is given from outside to increase the level of insulin in the blood.

Then this increased level of insulin helps in reducing the extra amount of insulin from the blood by accumulation it on the liver. Therefore insulin play a role in reducing the extra amount of free glucose from the blood.
It has the same affect as insulin that the body produces. It reacts with glucagon (I think. It is that or gycogen) to create glucose

Which will probably decrease population density?normal rainfall
fewer predators
forest fire
high birth rate

Answers


The factor given in the choices that will probably decrease population density would be C. forest fire. Normal rainfall is beneficial to the ecosystem to help grow the vegetation and in result, benefits the consumers. Predators decrease the population while birth rate can also increase population. 

Answer:

forest fire

Explanation:

gradpoint
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