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3 years ago

Many plant cells have a single, large _ __ that is filled with fluid.

2 answers:

6 0

Letter A is the answer. Almost all plant cells have single large central vacuole. These large central vacuoles of the plant cells are filled with water and can take over 80% of its cell volume. This is surrounded by a single membrane called tonoplast. The role of the central vacuole is maintaining the plant cell's pressure.

Phoenix [80]3 years ago

3 0

Plant cells have a single, large, spherical vacuole which is filled with many fluids. They contains organic and inorganic compounds and plenty of water for supporting the cell. They contains enzymes for degradation of undigested food, which is engulfed by autophagy, from the cytoplasm.

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3 years ago

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Read 2 more answers

The pubic symphysis connects the two hip bones anteriorly and provides a little movement during childbirth. Choose the most appr

My name is Ann [436]

Answer:

The most appropriate tissue to join the pubic symphysis -that provides resistance to pressure and stretch during childbirth- is fibrocartilage.

Explanation:

Options for this question are:

A. Fibrocartilage.
B. Elastic cartlage.
C. Bone.
D. Hyaline cartilage.

Fibrocartilage is made up of dense connective tissue rich in type I collagen fibers, hyaluronic acid and proteoglycans, which give it resistance to stretching and pressure.

Some ligaments are formed by fibrocartilage, in addition to the intervertebral discs and the junction of the pubic symphysis, allowing a certain degree of mobility to the associated structures due to their semi-elastic properties.

Hyaline cartilage, also made up of connective tissue, is less resistant than fibrocartilage.

Bone cannot form this junction, because it would not allow the relative mobility of the joint.

The elastic cartilage allows for stretching but not the strength needed to join the pubic symphysis.

Learn more:

Fibrocartilage brainly.com/question/5581914

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3 years ago

Endorphins are a type of __________, short strings of amino acids that are narrowly targeted to perform a specific job. For inst

umka21 [38]

Endorphins are a type of neuropeptides short strings of amino acids that are narrowly targeted to perform a specific job. For instance, endorphins specialize in reducing pain.

Explanation:

Endorphins are opiod neuropeptides that are produced by the central nervous system. They are natural pain killers that are produced by our body to reduce pain.

They are of 3 types namely, alpha endorphins, beta endorphins and gamma endorphins. All of these specifically bind to the opioid receptors inhibiting the communication of pain signals.

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3 years ago

Many plant cells have a single, large _________ __________ that is filled with fluid.

Many plant cells have a single, large _ __ that is filled with fluid.