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evablogger [386]
3 years ago
6

Why do traits increase within a population over time

Biology
1 answer:
Olegator [25]3 years ago
3 0
Gene duplication, mutation, or other processes can produce new genes and alleles and increase genetic variation. New genetic variation can be created within generations in a population, so a population with rapid reproduction rates will probably have high genetic variation.
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Would athletes or non athletes have a higher respiration rate after exercise?
eduard
I would say non-athletes would have a higher respiration rate as the athletes bodies are conditioned for the exercise and use to it and are better able to keep it as compared to non athletes.
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4 years ago
The molecule on which an enzyme acts is called a(n)
Travka [436]
From what I remember it's called a substrate 
7 0
3 years ago
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Do You Think matter can enter or escape in an open system or a closed system
sleet_krkn [62]

Answer:

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3 years ago
cual es la diferencia netre los cloroplastos y la cianobacteria si ambos son bacterias fotosinteticas???
Anna35 [415]

Answer:

Encontré esto en un texto de microbiología, tal vez sea útil.

Explanation:

"Las cianobacterias y los cloroplastos de las plantas tienen ambos fotosistemas, mientras que las bacterias fotosintéticas anoxigénicas sólo utilizan uno de los fotosistemas. Ambos fotosistemas son excitados simultáneamente por la energía luminosa. Si la célula requiere tanto ATP como NADPH para la biosíntesis, entonces llevará a cabo una fotofosforilación no cíclica".

Si estoy equivocado, pido disculpas. También lo he sacado de un traductor así que si suena mal también me disculpo por ello.

7 0
3 years ago
Stem cell and cancer question. Please answer Asap!!
malfutka [58]

Metastasis will happen and cancer cells invade nearby healthy cells, tissues, lymph nodes, organs or will migrate to distant organs.

The two different types of stem cells broadly classified as  are Embryonic stem cells and adult stem cells. Embryonic stem cells are obtained from the blastocyst layer of the embryo and are pleuripotent. Whereas adult stem cells are the undifferentiated cells from tissues of an adult or a child. They can be unipotent or multipotent.

Explanation:

Cancer cells migrate to other parts of the body via blood and lymphatic system. This is called as metastasis. Cancer cells when becomes tumour they develop their own blood vessels and obtain nutrients from them. Once the tumour gets big it pushes the normal healthy cells of the neighbouring tissues and keeps on spreading.

Stem cells obtained from the embryo can differentiate into any types of cell and when grown in-vitro can dramatically form the three germ layers.

The adult embryo cells are found in less quantity, their role is to repair the tissue they reside in.

4 0
4 years ago
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