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Tems11 [23]
3 years ago
6

Active transport requires energy from the cell. A True B False​

Biology
2 answers:
Sindrei [870]3 years ago
8 0

Answer:

A

Explanation:

active transports moves things against the gradient so it requires energy

passive transport diffuses with the gradient so it doesn't require energy

Vladimir [108]3 years ago
3 0

Answer:

A TRUE

Explanation:

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Primary succession is taking place. Lichens are most often found on exposed rock and are the organisms responsible for initial
Rudik [331]

C

The hygroscopic nature of lichen also does not allow them to survive highly polluted environments. This is because they will also absorb the toxins from the atmosphere into their systems. The toxins will then affect their growth, negatively.

Explanation:

Lichen is one pioneer species in primary succession. They have undefined roots hence do not require soil and can grow on rocks and break them down slowly by chemical weathering (using excreted organic acids). More so lichen does not need to absorb nutrient via roots because the organism is a symbiotic relationship between fungi and algae. The algae can use photosynthesis to manufacture food while the fungi complex hyphae that surround the  algae can absorb water & nutrients from the air due to their high hygroscopic nature.

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3 0
3 years ago
Intervertebral discs are made up of fibrocartilage, which exhibits a large amount of tensile strength, enabling it to absorb sho
Vika [28.1K]

Answer:

Collagen fibers

Explanation:

Cartilage is the connective tissue found in the mammalian group of animals and is composed of the collagen fibre made by the chondrocytes which occur at the scattered sites.

The fibrocartilage is one of the types of cartilage present in the intervertebral disks and helps provide the tensile strength and help absorb the shock in the spine.

The extracellular matrix of fibrocartilage is enriched with the collagen fibres which provides toughness and great tensile strength to the cartilage.

Thus, Collagen fibres are the correct answer.

3 0
3 years ago
PLEASE HELP ASAP
s2008m [1.1K]

Answer:

a regulatory gene

Explanation:

5 0
3 years ago
Read 2 more answers
What are the reactants and the products in this equation?<br><br> 2H2 + O2 → 2H2O
Hitman42 [59]

Answer:

Reactants: hydrogen and oxygen

Products: water

Explanation:

The reactants are what goes into a reaction, i.e. what is reacting. The products are what is formed. The reactants are usually shown on the left, and the products are usually shown on the right.

We can see in this equation that hydrogen (2H2) is reacting with oxygen (O2) to form water (2H2O). Therefore the reactants are hydrogen and oxygen, and the product is water.

4 0
3 years ago
Our Sun is considered a(n) _____ star. A. small B. large C. giant D. average
Gala2k [10]
The sun is considered a giant star so C)
6 0
3 years ago
Read 2 more answers
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