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Alecsey [184]
2 years ago
11

Drag the tiles to the boxes to form correct pairs. Not all tiles will be used. Match each type of skeletal marking to its functi

on

Biology
2 answers:
SIZIF [17.4K]2 years ago
4 0

Answer:

Tubercle: allows tendons to attach to bone

Foramen: Allows blood vessels and nerves to travel through bone.

Fossa: Allows to bones to form a joint.

Explanation:

The tubercle or tuberosity in the human seletal system, is a protrusion that allows for attachment of skeletal muscles. The muscles attach by tendons, where the enthesis is the connective tissue between the tendon and bone.

Foramina inside the body of humans and other animals typically allow muscles, nerves, arteries, veins, or other structures to connect one part of the body with another.

Pavlova-9 [17]2 years ago
4 0

Answer:

see image below

Explanation:

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An individual with (naturally) curly hair and an individual with (naturally) straight hair mate; all of their offspring have (na
polet [3.4K]

Answer:

Incomplete dominance

Explanation:

The traits in the organisms are controlled by the genes which are present in the form of two alleles on the chromosomes. Each allele represents the variant of the trait which is determined when these alleles unite during sexual reproduction.

The allele can be dominant when it shows its effect or it can be recessive when it is suppressed during fusion.

In the given question, the studied trait is the pattern of the hair which is present in two variants: the curly hair and the straight hair. When the parents for these traits were crossed they produced offspring which was intermediate between the curly and the white hair. This intermediate trait shows that neither of the two alleles which control the trait is dominant and the trait blended. This natural process is known as incomplete dominance.

Thus, Incomplete dominance is correct.

4 0
3 years ago
Which organelle in the plant cell shown above makes glucose from sunlight?
Anni [7]
Chloroplasts<span> are organelles used by plant cells to make a sugar called glucose from sunlight. Energy stored in the chemical bonds of the sugar molecules can be used, either by the plants or by the animals that eat them, to fuel body processes.</span>
4 0
3 years ago
3.The reduced potential causes hundreds of a)________________________ channels to open on that part of the cell membrane. The de
wlad13 [49]

The reduced potential causes hundreds of <u>voltage-gated sodium</u> channels  to open on that part of the cell membrane. The depolarization of the cell causes more of <u>voltage-gated sodium </u>channels to open in adjacent parts of the cell membrane. This begins the wave of of <u>depolarization</u>  moving down the axon. Depolarization begins at the <u>axon hillock.</u>

Explanation:

When there is no neuron signaling it becomes polarized, termed as resting membrane potential (RMP) at a threshold voltage (around -55 mV), due to the action of the sodium-potassium pump and the potassium leak channels.  

When a change in the RMP occurs, depolarization takes place which causes the voltage-gated sodium channels to open and sodium ions rush into the nerve cell which in turn will increase the voltage threshold to nearly around +40 mV and also charges the neuron positive. This depolarization moves down the axon. This increase in threshold stops the sodium influx and opens the potassium channels to rush the potassium out of the cell.

All these actions decrease the membrane potential leading to a wave of depolarization and going back to resting state. Depolarization begins depending upon the potential gradient at the axon hillock.

8 0
3 years ago
How can an increase in carbon dioxide affect the temperature of a tropical ecosystem?
VARVARA [1.3K]

Carbon dioxide is normally slightly warmer than oxygen so if there is a sudden increase, it would naturally increase the temperature.

4 0
3 years ago
Explain in detail how acid rain is formed
Strike441 [17]

Answer: Acid rain is a product of the <u>chemical reaction of sulfur dioxide and nitrogen oxide that is released with water, oxygen, and other chemicals into the atmosphere.</u> <u>Sulfur dioxide and nitrogen oxide dissolve in water and can be carried several miles by the wind</u>. After traveling for a long distance,<u> the two compounds become part of rain, sleet, snow or fog.</u> <u>Power plants emit sulfur dioxide and nitrogen oxide when fossil fuels such as coal are burned to produce electricity.</u> Aswell as <u>the exhaust from cars, trucks, and buses releases sulfur dioxide and nitrogen oxide into the air.</u>

5 0
2 years ago
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