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ddd [48]
3 years ago
8

he shrimp in the photograph are small crustaceans, related to lobsters and crabs. mc023-1.jpg Photo by Russ Hopcroft, courtesy o

f the NOAA Which specialized carbohydrate is used for structure in shrimp? cellulose glucagon glycogen chitin Mark this and return
Biology
2 answers:
aleksandrvk [35]3 years ago
7 0

The correct answer is chitin. This glucose derivative is in fact the main building block of cell walls in not only arthropods (including the shrimp), but also fungi and insects, and also has a structural function in the scales of fish. The most similar commonly-known substance in terms of function is keratin, which makes up our hair and nails.

Reil [10]3 years ago
7 0

Answer: the is chitin on edg 2020

Explanation: i just took the test

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Cross cutting relationship
Scrat [10]

Answer:

is a principle of geology that states that the geologic feature which cuts another is the younger of the two features. It is a relative dating technique in geology.

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3 years ago
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Explanation:

is the process by which plants, some bacteria and some protistans use the energy from sunlight to produce glucose from carbon dioxide and water.

4 0
3 years ago
In response to a stimulus, the membrane slowly depolarizes until the membrane potential reaches a particular value, called thres
Leni [432]

Answer:

The Question is incomplete. Here should be the complete question.

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Initiating an action potential

Under most circumstances, once an axon's membrane potential reaches threshold (about -55 mV in mammals), an action potential is automatically triggered. The graph below shows the changes in membrane potential that occur in an axon membrane that is initially at resting potential.

In response to a stimulus, the membrane slowly depolarizes until the membrane potential reaches a particular value, called threshold. At threshold, a rapid depolarization of the membrane occurs and an action potential is initiated.

Drag the labels onto the flowchart to show the sequence of events that occurs once

the membrane potential

-1. membrane potential reaches threshold

-2. Na+ ions rush into the cell

-3. membrane potential rises (depolarizes) rapidly

-4. many Na+ voltage-gated channels open

The ANSWER WILL SURELY BE

membrane potential reaches threshold ---> many Na+ voltage-gated channels open ---> Na+ ions rush into the cell ---> membrane potential rises (depolarizes) rapidly

(1--->4--->2--->3)

7 0
3 years ago
If a population is at Hardy-Weinberg equilibrium...
jarptica [38.1K]

Answer:

B. (i) yes; (ii)-yes

Explanation:

If a population is at Hardy-Weinberg equilibrium, allele frequencies can be calculated from the given values of genotype frequencies and genotype frequencies can be calculated if the allele frequencies are given.

For a population in Hardy-Weinberg equilibrium; p+q=1

Here, p= frequency of recessive allele and q = frequency of dominant allele.

And p2 + 2pq + q2 = 1

p2= Frequency of homozygous dominant genotype

2pq = Frequency of heterozygous dominant genotype

q2 = Frequency of homozygous recessive genotype

For example, if frequency of homozygous recessive genotype (q2) is 0.40, then, the frequency of recessive allele (q) will be = square root of 0.40= 0.63

Likewise, frequency of dominant allele (p) in this population will be = 1-q = 1-0.63 = 0.37

3 0
3 years ago
What are 4 characters used to decide a population
melisa1 [442]

Answer:

A group of individuals of the same species occupying a particular geographic area. Populations may be relatively small and closed, as on an island or in a valley, or they may be more diffuse and without a clear boundary between them and a neighboring population of the same species.

5 0
3 years ago
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