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zalisa [80]
3 years ago
14

Do unicellular organisms develop?

Biology
1 answer:
poizon [28]3 years ago
6 0

Answer:yes

Explanation:

Yes

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A

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Orchid bees are to brazil nut trees as ________ are to pine trees.
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6. Cell membranes are primarily composed of a double layer of phospholipids. Why are phospholipids particularly
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Answer:

B i hope this help

Explanation:

The cell membrane consists primarily of a thin layer of phospholipids which spontaneously arrange so that the hydrophobic "tail" regions are shielded from the surrounding polar fluid, causing the more hydrophilic "head" regions to associate with the cytosolic and extracellular faces of the resulting bilayer. This forms a continuous, spherical lipid bilayer approximately 7 nm thick, barely discernible with a transmission electron microscope.

The arrangement of hydrophilic and hydrophobic heads of the lipid bilayer prevent polar solutes (e.g. amino acids, nucleic acids, carbohydrates, proteins, and ions) from diffusing across the membrane, but generally allows for the passive diffusion of hydrophobic molecules. This affords the cell the ability to control the movement of these substances via transmembrane protein complexes such as pores and gates.

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Llana [10]
The anatomy is attached to the birds head

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3 years ago
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S_A_V [24]

Answer:

These bundles are also called Fascicles

Explanation:

Skeletal muscle, also called voluntary muscle, in vertebrates, most common of the three types of muscle in the body. Skeletal muscles are attached to bones by tendons, and they produce all the movements of body parts in relation to each other. muscle is a form of striated muscle tissue, which is under the voluntary control of the somatic nervous system. Most skeletal muscles are attached to bones by bundles of collagen fibers known as tendons. A skeletal muscle refers to multiple bundles (fascicles) of cells joined together called muscle fibers.

The bundles of muscle fibers are called fascicles, they are covered by the perimysium. Muscle fibers are covered by the endomysium. Inside each skeletal muscle, muscle fibers are organized into individual bundles, each called a fascicle, by a middle layer of connective tissue called the perimysium.

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