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3 years ago

Why is a cell membrane so important

2 answers:

4 0

Answer: The cell membrane is very important because it provides mainly all the protection over the cells. It’s flexibility also helps a LOT!

Zarrin [17]3 years ago

3 0

Answer:

-provides protection for a cell

-provides a fixed environment inside the cell.

-The cell membrane also provides some structural support for a cell.

Explanation:

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The species of which of these groups show neither wings nor antennae? Crustaceans/ Insects/ Arachnids

kondaur [170]

The answer is Arachnids.

Crustaceans, Insects, and Arachnids belong to the phylum Arthropoda.
Of mentioned characteristics, most of the Insects have both wings and antennae. Remember all butterfly, bees, beetles, etc. Crustaceans (crabs, lobsters, shrimp, etc) have antennae, but they have no wings.

Thus, the only group of the mentioned that shows neither wings nor antennae is Arachnids. Arachnids include scorpions, spiders, ticks, etc. and as it is known, these groups have neither wings nor antennae.

6 0

3 years ago

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The Mid-Atlantic ridge is a type of

vredina [299]

Answer:

The Mid-Atlantic Ridge (MAR) is a mid-ocean ridge, a divergent or constructive plate boundary located along the floor of the Atlantic Ocean, and part of the longest mountain range in the world.

Explanation:

5 0

3 years ago

Is biomass in the rainforest an energy source or energy sink

Lera25 [3.4K]

Answer:

Is biomass in the rainforest an energy source or energy sink

Explanation:

5 0

3 years ago

In garden peas, tall (T) vine is dominant over short (t) vine, and round pea pod (R) is dominant over wrinkled pea pod (r). Cro

Aleksandr [31]

Answer:

Explanation:

Given:

Traits

T (tall, dominant) and t (short)

R (round, dominant) and r (wrinkle)

Crossing parents

hetero-zygous. tall wrinkled (Ttrr)

phenotype tall is given hetero-zygous., so Tt

phenotype wrinkled is recessive, so must be homo-zygous rr

Foiled genotypes (Tr, tr, each with 50%)

short hetero-zygous. round (ttRr)

phenotype short is recessive, so homo-zygous rr

phenotype round is given heteroz. so Rr

Foiled genotypes (tR, tr, each with 50%)

Offsprings on a 4x4 punnett square

See diagram

6 0

3 years ago

Damian grew a plant from a leaf cutting. How did the plant reproduce?

ycow [4]

A plant grew from a leaf cutting will reproduce asexually.A plant cutting refers to a piece of plant that is used to vegetatively propagate a plant. A plant cutting can be a piece of stem, root or leave. The plant cutting is usually placed inside a suitable medium, where the cutting will grow to produce a new plant under suitable conditions. Plants that are grown from plant cutting are considered to be reproduce asexually, because vegetative propagation is a form of asexual reproduction.

8 0

3 years ago

Read 2 more answers