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miss Akunina [59]
3 years ago
9

A/an is a protein or carbohydrate chain which serves as a marker and helps the immune system to identify cells as self or foreig

n
Biology
1 answer:
elixir [45]3 years ago
4 0
I donot know but i think it is white blood cell
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Zones in lakes and oceans are delineated by depth, distance from shore, or light penetration. Different zones have different phy
Sophie [7]

Answer:

a.) freshwater plants may be rooted here--- Shore

b.) littoral zone--- it is the region of a lake or pond that is nearest to the shore

c.) limnetic zone--- A region of open water in lakes and ponds.

d.) alternately dry and submerged--- Intertidal Zone

e.) extends to edge of the continental shelf--- Neretic Zone

f.) generally low nutrient levels

g.) light penetrates here--- Photic Zone

h.) no photosynthesis occurs here--- Aphotic Zone

i.) benthic zone--- this is purely known as the bottom of the lakes or oceans

6 0
2 years ago
Which prediction will most likely describe how friction will affect her findings? The distance for Trial 3 will be greater than
Juliette [100K]

The complete question is :

Charlie is investigating friction. She will use the same amount of force to push two wooden balls across two level surfaces. Then she will record her results in the table below.

Which prediction will most likely describe how friction will affect her findings?

Answer:

The distance for Trial 3 will be greater than the distance for Trial 4 because the difference in surface roughness will affect friction.

Explanation:

The frictional force depends greatly on the roughness of the body surfaces. It acts opposite to the direction of motion when two body surfaces have a relative motion between them.

In the context, equal mount of force is applied to push the wooden balls. So the net force which acts on the balls are :

F' = F - f

Here, F = the force applied

         f = force of friction

And f = μ.N (N = reaction force)

Here μ is the coefficient of friction that depends on the surface roughness. The frictional force will be less when the surfaces are smooth. Thus for the trails 3 and trial 4, the distance for trail 3 would be greater than trail 4 as the surface is polished and would offer less friction.

8 0
2 years ago
How does the Marburg virus compare to the coronavirus?
ahrayia [7]

Answer:

The Marburg virus wasn't mutating this early on, therefore the Coronavirus is much more deadlier and almost impossible to get a cure for, due to the rapid change in pathogens!

8 0
3 years ago
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The substances listed on the left of a chemical equation are the
postnew [5]
Can you provide more details ?
5 0
3 years ago
Whereas superficial flexors in the anterior compartment of the forearm originate from the _____ epicondyle of the humerus, the s
ASHA 777 [7]

Answer:

Whereas superficial flexors in the anterior compartment of the forearm originate from the medial epicondyle of the humerus, the superficial extensors in the posterior compartment of the forearm originate from the lateral epicondyle of the humerus.

Explanation:

The forearm has 2 compartments: an anterior compartment responsible for the flexion of the wrist, and a posterior compartment with the function to extend the wrist.

The superficial muscles in the anterior compartment arise from the common flexor tendon that originates from the medial epicondyle of the humerus. This compartment is mostly innervated by the median nerve.

The superficial muscles in the posterior compartment originate from the lateral epicondyle of the humerus and are innervated by the radial nerve.

The ulnar nerve innervates the flexor carpi ulnaris and flexor digitorum profundus in the forearm.

6 0
2 years ago
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