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3 years ago

Which would be the correct description for the word autotroph?

2 answers:

8 0

A because autotrophs create their own energy and allow other consumers to take that energy. Remember auto means itself and troph means nourish. So the plant nourishes it’s own energy

VMariaS [17]3 years ago

6 0

1,bc the prefix auto=self, like in the word autobiography, where this can be translated into self-biography, or self-writing

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Imagine a genetic counselor working with a couple who have just had a child who is suffering from Tay-Sachs disease. Neither par

Alexxx [7]

Answer:

C. "Because you have had one child with Tay-Sachs, you must each carry the allele. Any child you have has a 25% chance of having the disease

Explanation:

Tay-Sachs disease is an autosomal recessive disorder that means a child will acquire the phenotype or we can say disease only when both the alleles which cause disease are present in the child.

Here, in this condition neither parent has Tay-Sachs but they gave birth to a child who is suffering from the disease then it simply means that both the parents are carrier of this disease i.e. they both are heterozygous.

The cross and probability of healthy and diseased child is shown as under:

Mother Father

Parents Tt Tt

/ | | \

Off-springs TT Tt Tt tt

Out of these 4 probable off-springs only 3 with genotype TT, Tt & Tt will be healthy while the 1 with genotype tt will be diseased. So, the probability of diseased child is 1/4 which is 25%.

Also, the birth of children is an independent event so if one child has already been born with this disease then it doesn't mean that the next 3 children will be healthy for sure i.e. birth of first child cannot influence the next child. In short we can also say that in the next birth, there is still 25% chance of the child being born with this disease because previous birth has nothing to do with next birth.

7 0

3 years ago

47. Find the mismatched pair: A)Facilitated diffusion Extrusion of ions or small molecule with expense of Ar B) Uniport-A single

andrew-mc [135]

Answer:

Option (A).

Explanation:

Facilitated diffusion may be defined as the process of movement of the particles from the region of higher concentration towards the region of lower concentration with the help of specific integral transmembrane protein.

Facilitated diffusion is a type of passive diffusion and solute particle down the concentration gradient. So this process doesn't require an ATP or any other energy source.

Thus, the mismatched pair is option (A).

4 0

3 years ago

Describe one major change that occurred in the development of the modern atomic model.

NNADVOKAT [17]

Answer:

The one major change that occurred was the placement and organization of the electron.

5 0

3 years ago

◕‿↼ Please Help Asap, Tysm!

Leviafan [203]

Answer:

first three can stay the same

desert hot, dry, sparse vegetation

Explanation:

7 0

3 years ago

Read 2 more answers

What does a main idea do

solmaris [256]

It gives you a generic understanding of how the sequence of events will go.

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3 years ago