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3 years ago

A membrane which limits the type of molecules which will pass through it is called .

Biology

2 answers:

Makovka662 [10]3 years ago

7 0

It's called a semi - permeable membrane

Rom4ik [11]3 years ago

6 0

A membrane which limits the type of molecules which will pass through it is called a semi permeable membrane.

A semipermeable membrane is a membrane which can be biological or artificial, that will allow the movement of certain molecules through them by diffusion. Several factors such as pressure, concentration, temperature of the molecules on each side, and also the permeability of the membrane to each solute determine the rate of passage of the molecules.

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An organism is able to maintain a stable internal environment despite changing external conditions. What is this called?

aalyn [17]

Answer:

Homeostasis

Explanation:

"ability to maintain a relatively stable internal state that persists despite changes in the world outside."

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2 years ago

ONCE UPON A TIME I SWORE I HAD A HEART WAY BEFORE THE WORLD I KNEW TORE IT ALL APART

Paul [167]

Answer:

Same ngl. Good tho.

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3 years ago

Read 2 more answers

1.where does the energy required the process of cellular respiration come from?

MatroZZZ [7]

The energy from cellular respiration comes from food and air. The reactants first cellular respiration are oxygen and glucose. Glucose is a form of sugar and comes from food, and oxygen is found in air.

The main reactants or cellular respiration, as stated above, are oxygen and glucose.

During the first stage of cellular respiration, which takes place in the cytoplasm, a small amount of energy is produced when glucose is broken down into smaller particles.

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3 years ago

Which environmental factor could lead to a decrease in genetic variation in a population of tuna?

jeyben [28]

Answer:

The environmental factor that could lead to a decrease in genetic variation in a tuna population is an increase in pollution (second option).

Explanation:

There is a correlation between genetic variability and environmental pollution, the latter being a factor that impacts negatively on the variability of a specific population.

The concept of pollution stress not only implies a low rate of reproduction, but it is also a factor that prevents genetic exchange with other populations, which is a factor that makes the genetic variability decrease in a population.

For these reasons an increase in pollution implies a decrease in genetic variability in a tuna population.

Other options, such as an increase in food availability, a decrease in tuna fishing or a decrease in tuna predators, are environmental factors that contribute to increased genetic variability.

3 0

3 years ago

Read 2 more answers

What activation energy was used to start the chemical reaction in the burning marshmallow?

Sonja [21]

Answer:

This question is incomplete

Explanation:

This question is incomplete. However, let's understand some terms

Activation energy is the minimum amount of energy required for a reaction to proceed. Under normal condition, when the activation energy is high, it takes longer for the reaction to proceed than when it is low.

The burning of marshmallow is an exothermic reaction as it involves the transfer of heat energy into the environment.

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4 years ago