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Elza [17]
2 years ago
15

Write a sentence explaining the connection between each pair of words:

Biology
1 answer:
Alina [70]2 years ago
8 0
The cell membrane encloses the cytoplasm and separates it from the world outside the cell. Lipids and proteins are both organic molecules used for structure and energy. The nucleus contains the DNA of the cell. 
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Plz help!!!!<br> Answer
kicyunya [14]
1) Ecology is the scientific study of the distribution and abundance of organisms, the interaction among organisms, and the interactions between organisms and their abiotic environment. Ecologists try to understand the inner workings of natural ecosystems and the species they contain.

2) Ecosystems have no particular size. An ecosystem can be as large as a desert or a lake or as small as a tree or a puddle. If you have a terrarium, that is an artificial ecosystem. The water, water temperature, plants, animals, air, light and soil all work together.

3) The biotic factors of an ecosystem include all the populations in a habitat, such as all the species of plants, animals, and fungi, as well as all the micro-organisms. Also recall that the nonliving factors are called abiotic factors. Abiotic factors include temperature, water, soil, and air.

4) For aquatic ecosystems, these factors include light levels, water flow rate, temperature, dissolved oxygen, acidity (pH), salinity and depth.


Hope this helped. ;)
4 0
3 years ago
Taiga is found in all of the following locations except _____________.
alexandr402 [8]

Answer:

Canada I believe.

Explanation:

8 0
2 years ago
Read 2 more answers
What is the hardest rock in the world
wolverine [178]
The strongest rock on planet earth is Quartz. Please give brainiest answer
6 0
2 years ago
Read 2 more answers
Upon centrifugation, particles sediment at different rates due to their physical properties. Tropomyosin is a rod-shaped protein
polet [3.4K]

Answer:

Elongated shape

Explanation:

Centrifugation separates molecules on the basis of angular motion.

Due to spherical shape, the value of 'f' is lesser for a spherical protien than the rod shaped one.

Hence the sedimentation coefficient for an elongated protien is 2.6S while htat of a spherical protien is 4.31S.

Hence its elongated shape results in slow centrifugation.

Some of the important principles of centrifugation are as follows :

  • The greater the mass, the more is the sedimentation rate i-e the one with greater mass will move down more rapidly as compared to the one with les mass.
  • Shape of particles also effect it, the rounder the particle, the lower frictional coeeficient.
  • Density of particles
  • Density of fluid
5 0
3 years ago
What are infectious agents?
belka [17]
D hope that helps good day
3 0
3 years ago
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