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2 years ago

During which type of collision is none of the energy converted to sound energy

1 answer:

muminat2 years ago

6 0

Elastic collisions
because that type of collision occurs only when there is no loss in Kinetic energy for both particles involved in the collision

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A place where a bone contacts another bone is called a joint or a(n) ______________.

marishachu [46]

It is called a joint. Joints are also called articulations, they are strong connections that join the bones, teeth, and cartilage of the body to one another. Each joint is specialized in its shape and structural components to control the range of motion between the parts that it connects. Joint is usually formed of fibrous connective tissue and cartilage, they may be grouped according to the type of motion: ball and socket joint, hinge joint, condyloid joint, which permits all forms of angular movement except axial rotation, pivot joint, gliding joint, or saddle joint.

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2 years ago

What types of plants have fewer than the average number of root hairs?

cestrela7 [59]

Cultivated crops usually have fewer roots such as corn in a moist or wet soil. To have more hair roots needs more air and oxygen helps to make it happen. But a wet soil doesn't help add more roots.

8 0

2 years ago

The highlighted structure separates the oocyte from the externally located ________. zona pellucida primary follicle corona radi

Naya [18.7K]

Answer:

Granulosa cells

Explanation:

Foliculogenesis is a dynamic and complex process through which the follicle goes through many stages of development in a short period (approximately 60 days in humans and some chimpanzees).

The stages classification is based on morphological changes such as follicular size or diameter, the number of follicular cell layers, etcetera. These classifications might vary among authors but could be denominated as:

Primordial follicle

Primary follicle

Secondary follicle and

De Graaf follicles (This is the one shown in the image)

Through each stage, there are certain modifications in the oocyte, follicular cells, and connective tissue. As the oocyte grows, the follicular cells might reach a size twice or three times bigger than the ones of the primordial follicles. Their shape also changes and they adopt an aspect of stratified epithelium. Their cytoplasm gets a granulous aspect, after what these cells receive the name of granulous cells. The De Graaf follicle characterizes for having a space named follicular antro that displaces the oocyte to one of the sides.

The oocyte at this point gets surrounded by zona pellucida and corona radiata .

The follicular antro (The highlighted structure) separates the oocyte from the externally located granulosa cells or follicular cells.

7 0

2 years ago

Which does NOT occur in telophase? Cytokinesis is under way. The nuclear envelope is being reconstructed. The centromeres split

Lostsunrise [7]

Answer:

The centromeres split apart

Explanation:

Telophase is the last sage of cell cycle that ultimately result in the formation of daughter cells. The chromosome become more condense in this stage.

The nuclear envelope reconstructed and the cyotkinesis is under way in the telophase. The nucleolus reforms in the telophase. The centromeres are split part in the anaphase stage of the cell cycle.

Thus, the correct answer is option (3).

7 0

2 years ago

Genetic drift occurs when a population of organisms which normally don't travel great distances, like fruit flies, floats on a t

earnstyle [38]

Answer:

True.

Explanation:

Genetic drift occurs when a species migrates into another one, therefore making a new variation of the species.

7 0

2 years ago