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Nitella [24]
3 years ago
13

What is a producer ?

Biology
2 answers:
r-ruslan [8.4K]3 years ago
8 0

Answer:

A producer is generally a plant, in which it creates its energy typically from using nutrients in the soil, water, and sunlight. They are at the bottom of the food chain.

sattari [20]3 years ago
7 0

Answer:

The item that produce food in the foor web eg grass is the producer for ows etc

Explanation:

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How many strands of mRNA are created from 2 unzipped strands of DNA
zubka84 [21]

Answer: 1

Explanation:

http://www.mayfieldschools.org/Downloads/protein_synthesis_review_worksheet.pdf

6 0
3 years ago
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Glucose-6-phosphate dehydrogenase deficiency (G6PD) is inherited as an X-linked recessive allele in humans. A woman whose father
prohojiy [21]

Answer:

(a) 1/2; (b) no

Explanation:

Glucose-6-phosphate dehydrogenase deficiency (G6PD) is an X-linked recessive disorder and the woman's father was diseased so it means that woman is a carrier of the allele but has normal phenotype. It means that she will have XXᵇ genotype.

In contrast to this, her husband is diseased so his genotype will be XᵇY.

The Punnett square diagram related to the cross is attached.

(a) Proportion of their sons expected to be G6PD is 1/2:

They both may give birth to 4 progeny with genotypes XXᵇ, XᵇXᵇ, XY and XᵇY. It means they both may have 2 sons out of which one with genotype XᵇY will be diseased while the one with genotype XY will be healthy. So the proportion of their sons having G6PD is 1/2 or 50%.

(b) If the husband were G6PD deficient, the answer will not change.

The reason behind this is that this disease is caused by an allele located in X chromosome. But father contributes only Y chromosome to his son not X chromosome. The X chromosome will affect the genotype of his daughter not son that is why answer will not change. It means they will still have 1/2 of their sons diseased.  

7 0
3 years ago
Match these terms and definitions.
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4 and F, 9and E r 2 of the answers
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3 years ago
1. ________ are nutrients that supply the main energy source for the body, in the form of sugars.
Effectus [21]
1. Carbohydrates

(There are 3 sources of calories (or energy), which are also known as macronutrients: carbohydrates, protein, and fat.

Of these three, carbohydrates are the body’s preferred source of energy. Carbohydrates break down into glucose, which is an immediate source of energy.)

2.
A. Bone is not a type of human body tissue.

(The human body does has 4 types of tissue: Epithelial, muscle, connective and nervous tissue).
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If an animal has both male and female reproductive organs, it is called?
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3 years ago
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