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Dmitry [639]
4 years ago
13

Albinism is a condition found in all vertebrates, such as the frog pictured below. This mutation prevents or reduces the product

ion of pigments.
Albino variations of animals, such as mice, are often found in pet stores. However, albino variations are rarely found in nature. Why are organisms with albinism hard to find in nature?

A.
Albino coloration can only be created in a laboratory.
B.
Albino coloration reduces an organism's chance of survival.
C.
Albino organisms are better camouflaged than other variations.
D.
Albino coloration increases an organism's chance of survival.
Reset Next Question
Chemistry
1 answer:
lisov135 [29]4 years ago
6 0

Organisms with albinism hard to find in nature because Albino coloration reduces an organism's chance of survival. The correct option is B

Explanation:

The congenital defect in which there is an absence of any pigmentation in organism or plant is termed albino. Tyrosinase enzyme controls the dose of melanin in the skin if there is a defect in Tyr gene the albinism occurs.

They are unable to protect itself from UV rays and are unable to protect itself from predators as they lack camouflage (in case of alligators). The beautiful colour of skin makes them prey for poaching.

The person with albinism have pink or red eye as the pigment of iris is also absent.

The albinism can be due to mutation. Heredity, diet, environment or disease.

In plants lack of chlorophyll is a condition of albinism which prevents photosynthesis and hence no survival.

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What is the molarity if 60.4 grams of hydrochloric acid was added to 505 mL of water?
ANTONII [103]

Answer:

3.29 M

Explanation:

Molarity refers to the molar concentration of a solution and it can be calculated using the formula below:

Molarity (M) = number of moles (n) ÷ volume (V)

According to this question, the mass of HCl was given to be 60.4 grams and the volume of water as 505 mL.

Using mole = mass/molar mass to convert mass of HCl to moles

Molar mass of HCl = 1.0079 + 35.453 = 36.4609g/mol

mole = 60.4g ÷ 36.4609g/mol

mole = 1.66mol

Volume of water = 505mL = 505/1000 = 0.505L

Molarity, M = 1.66 ÷ 0.505

Molarity of HCl solution = 3.29 M

8 0
3 years ago
1.014)
Viefleur [7K]
The answer is B.Laws
7 0
3 years ago
How many milliliters of 4.00 m hcl(aq) are required to react with 2.75 g of zn(s)?
Anna007 [38]
25 milliliters are required
7 0
3 years ago
The half- life of actinium-228 is 6.13 hours What amount of a 70 milliqram sample remains after 24.52 hours?
Usimov [2.4K]

Answer:

4.375 milligram

Explanation:

Applying,

A = A'(2ᵃ/ⁿ)............. Equation 1

Where A = original amount of actinium-228, A' = amount of actinium-228 left after decay, a = Total time, n = half life

make A' the subject of the equation

A' = A/(2ᵃ/ⁿ)........... Equation 2

From the question,

Given: A = 70 milligram, a = 24.52 hours, n = 6.13 hours

Substitute these values into equation 2

A' = 70/(2²⁴°⁵²/⁶°¹³)

A' = 70/(2⁴)

A' = 70/16

A' = 4.375 milligram

4 0
3 years ago
How many grams are there in 3. 4 x 1024 molecules of nh3.
nadezda [96]

Answer:

69,632 grams

explanation

number of molecules =mass\molemass

nh3 14 +2×3=20

3.4×1024=m/20

cross multiply

grams =69,632

7 0
3 years ago
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