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Rashid [163]
3 years ago
7

Blood samples are taken from the heel of newborn babies to test for a mutation in the pku gene

Biology
1 answer:
larisa [96]3 years ago
3 0

Answer:

The answer is true.

Explanation:

PKU is an inherited metabolic disease caused by a mutation of the gene for an enzyme responsible for metabolism of the amino acid phenylalanine.

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The ____ phylum of seedless vascular plants has about 1000 known living species, including those in the genera
dalvyx [7]

Answer:

D)Lycophyta

Explanation:

The seedless vascular plants or the pteridophyte forms one phylum of the plant kingdom.  The pteridophyte kingdom can be classified into three groups: the Sphenophytes, the pteridophytes and the Lycophytes.

The Lycophyte group contains about 1000 living species as it is the most primitive group of vascular plants. The species is characterised by the presence of the microphyll like the Selaginella and Lycopodium.

The rhizoids of the gametophyte of these plants form the mycorrhizal association with the fungi.

Thus, Option-D is the correct answer.

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Answer: I think its B

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2 years ago
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What is the common name of the group whose members are characterized by endoskeleton and a unique water vascular system?
Llana [10]
A. Echinoderms

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3 years ago
The majority of humans use one hand more often for tasks, especially tasks that require fine motor skills. Joyce believes that c
coldgirl [10]

the answer is B) Cats favor the use of one paw over the other

Joyce figures that is humans have a dominant hand, cats must have a dominant paw too. The point of the experiment was to see which paw the cats used more, and that would be considered their dominant paw.

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A canal is built connecting a freshwater ecosystem to the ocean. What types of species in the wetland would be most negatively a
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Answer:

A.

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When freshwater is met with the ocean salt is diluted to the freshwater. Therefore organism that require little salt would be put at a threat.

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