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marissa [1.9K]
3 years ago
10

Que definición es la que mejor describe a un organismo unicelular y a uno pluricelular

Biology
1 answer:
leva [86]3 years ago
5 0

Answer:

Los organismos unicelulares se componen de una sola célula que lleva a cabo todas las funciones necesarias por el organismo, mientras que los organismos multicelulares utilizan muchas células diferentes para funcionar.

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What is the difference between spermatogenesis and oogenesis?
Sholpan [36]
Spermatogenesis is the process of formation of haploid sperms for diploid stem cell
Oogenesis is the process of formation of ovum
4 0
3 years ago
Design an experiment to determine whether lactase persistence in the different global hot spots was caused by one or several mut
valkas [14]

Answer:

Collect DNA from individuals who are lactase persistent and are from the global hot spot populations. Then look for genetic differences correlated with lactase persistence; the first place to look would be in and around the lactase gene. Compare the genetic differences to see if they are the same or different.

Explanation:

6 0
3 years ago
Ion pumps requires proteins?​
Paladinen [302]

Answer:yes

Explanation:

Ion pumps are assemblies of integral membrane proteins, like ion channels, that modulate ion transport into and out of a cell or organelle, leading to generation of electrical signals. Ion pumps, however, work against their concentration gradient, so require energy input, but the energy can also be derived from the concentration gradient of another ion.

6 0
3 years ago
How do birds have a genetic variation
densk [106]
Take the Galapagos birds as an example...

Birds develop different traits for different areas and climates. 
7 0
3 years ago
Gluconeogenesis must use "bypass reactions" to circumvent three reactions in the glycolytic pathway that are highly exergonic an
Keith_Richards [23]

Answer:1)Hexokinase

2)Phosphofructokinase (PFK)

3)Pyruvate kinase

Explanation:

The most important means of releasing energy from the glucose molecule is initiated by glycolysis.Glycolysis means splitting of the glucose molecule to form two molecules of pyruvic acid.The end products of glycolysis are then oxidized to provide energy.

Three reactions of glycolysis are highly exogernic,resulting in highly negative free energy changes that are irreversible and must be bypassed by different enzymes.These enzymes are hexokinase, Phosphofructokinase(PFK) and pyruvate kinase.

When the body's stores of carbohydrates decrease below normal,moderate quantities of glucose can be formed from amino acids and the glycerol portion of fat.This process is called gluconeogenesis. It is an important pathway that allows the body to store needed energy for the brain in the form if glucose.

7 0
3 years ago
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