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elena55 [62]
3 years ago
11

What are ligaments and what are the characteristics about them?

Biology
1 answer:
ExtremeBDS [4]3 years ago
7 0
Ligaments are connective tissyes which connect 1 bine to another.
characteristics are:-
1 has great strength
2 limited flexibility
3 connective tissue
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Which organelles are found in a plant cell? Check all that apply. Endoplasmic reticulum centrioles cell wall vacuoles lysosomes
Shalnov [3]

Answer: Endoplasmic reticulum, cell wall, vacuoles, lysosomes, mitochondria, chloroplasts and cell membrane.    

Explanation: Following are the organelles found in plant cells.

Endoplasmic reticulum is the membrane bound organelle found in both plants and animals cells. The endoplasmic reticulum forms a network of canals it helps in transport of material in and out of the cell.

Cell wall is a rigid structural layer which forms an envelope around a cell. It is a rigid structural layer which is composed of cellulose. It provides protection to the cell and exhibit pores which facilitates the transfer of materials to pass to and from the cell membrane.

Cell membrane is a layer that surrounds the cell and separate it from the external environment. It is a selectively permeable structure which controls the material which is going in and out of the cell.

Vacuoles are membrane bound fluid filled organelles which store materials which are not required by the cells and helps in the waste disposal. They store materials like water, food, sugars, minerals and other waste products.

Chloroplasts are the organelles specifically found in the plant leaves. They have special pigment called as chlorophyll that traps the light energy from sun to conduct photosynthesis.

Mitochondria are tube like organelles these are the called as the powerhouse of the cell. Their function is in cellular respiration. They break the sugar molecules to produce ATP as a source of energy.

Lysosomes are the small sac like structures they exhibit a single membrane which contains strong enzymes which are capable of digesting cellular wastes. They also called as suicidal bags.

Centriole is an organelle which is not found in the plant cell. It is only found in the animal cells, their is a pair of centriole,  which are minute cylindrical organelles near the nucleus. These helps in the development of spindle fibers during cellular division.

8 0
3 years ago
Read 2 more answers
Identify the variables in this hypothesis. If Sam increases his exposure to excessive noise by listening to music through his he
gavmur [86]

Answer:

The independent variable is the variable: it is listening to music through his headphones.

The dependent variable: it is increase in exposure to excessive noise

Explanation:

the two variables in this context are

- listening to music through his headphones.

- increases his exposure to excessive noise.

The independent variable is the variable whose variation does not depend on that of another and in this case, it is listening to music through his headphones.

The dependent variable is what is being studied and measured in the experiment and in this case, it is increase in exposure to excessive noise

5 0
4 years ago
Read 2 more answers
Why are the male testes located in the scrotum, outside the body? (A) Their external location is necessary for penile developmen
valina [46]
The answer is D. Sperm cannot be produced under the normal body temperatures so they’re placed outside the body where it’s not as hot
4 0
4 years ago
When Mendel crossed yellow-seeded and green-seeded pea plants, what happened?
yuradex [85]

Answer:

Offspring in F1 generation had yellow-seeded pea plants.

Explanation:

When Mendel used yellow-seeded and green-seeded pea plants as parents plants he noticed that all of the offspring of the first generation (F1) were yellow-seeded plants. In the next following generation (F2), phenotype ratio was 3:1 (yellow:green).

After this observation Mendel conclude that yellow-seeded plants are dominant over green-seeded plants. Since he used purebred plants, genotypes were:

P: AA  x  aa

F1: Aa Aa Aa Aa

F2: AA Aa Aa aa

AA and Aa are genotypes for the yellow seeds, while aa is genotype for green seeds.

7 0
3 years ago
According to Engelhardt, the phenomenon of bioethics should be understood as a late-modern intellectual undertaking that is abou
neonofarm [45]

Answer: True

Explanation:

The bioethics can be defined as the ethical issues emerging from the advances in the biology and medicines.

It is concerned about the ethical questions that arises while performing any experiment. This is necessary to have a look on the experiments which is going to happen.

There are many types of research work going among life sciences, biotechnology. According to Engelhardt the phenomenon of the bioethics can be understood as modern intellectual undertaking the reefs of post modernity.

5 0
4 years ago
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