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Marizza181 [45]
3 years ago
9

Which of the traits were likely present in the last common ancestor of bryophytes? Please choose the correct answer from the fol

lowing choices, and then select the submit answer button. a. multicellular sporophytes b. photosynthetic sporophytes c. vascular tissues d. roots stomata
Biology
1 answer:
insens350 [35]3 years ago
7 0

Answer:

a. multicellular sporophytes

Explanation:

Bryophytes include all the land plants. Evolutionary studies have shown that all the bryophytes might have originated from a common green algae. A sporophyte can be described as a diploid multicellular stage which is common in all plants and algae. Hence, we can infer that the multicellular sporophyte generation was common in all bryophytes and hence can be seen even today.

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Which method of commercial fishing tends to produce excessive bycatch? A.Trolling B.Handline fishing C.Large mesh netting D.Traw
ZanzabumX [31]

The right option is; D.Trawling

Trawling is the method of commercial fishing that tends to produce excessive bycatch.

Trawling is a method of fishing in which a trawl (fishing net) is dragged through the water at a specific depth behind one or more trawlers. Trawling is usually used for commercial fishing, and it tends to produce excessive bycatch; a condition in which non target marine organisms such as seabirds are incidentally caught, while catching target species such as crabs and fish.

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4 years ago
Read 2 more answers
Aerobic respiration happens in what cellular organelle?
kolbaska11 [484]
Aerobic respiration happens in the mitochondrion of eukaryotic cells.

Anaerobic respiration does not use oxygen gas and happens in one process after glycolysis called Fermentation.

The process used to make beer would be a kind of fermentation, Alcohol fermentation, I believe.
4 0
4 years ago
A theoretical protein, blue2, is coded for by the blu2 gene. This protein codes for a blue pigment used by the organism to prote
Reika [66]
The question is:
What may be observed as a result of the described mutation in an individual? 

<span>1) Skin cancer due to UV rays </span>
<span>2) Darker blue pigmentation </span>
<span>3) A lack of alterase for other functions it may serve </span>
<span>4) The release of a different pigment color

The correct answer is B.
In this theoretical molecular cascade, we have three key parts, the blue2 gene, the blue2 operator and the enzyme alterase.
The enzyme alterase stops the expression of the blue2 gene by binding  to its operator, and therefore the blue pigment protein.
The blue2 operator has a specific binding spot for alterase. If this binding spot is changed due to a conformational change, the alterase would not be able to bind to the operator and the blue2 gene could express undisturbedly, resulting in increased concentration of the blue pigment protein.</span>
4 0
4 years ago
identify the type of solution (Hypotonic, Isotonic and Hypertonic) in each of the beakers. Write your answers as A=..., B=..., C
Pavlova-9 [17]

Answer:

Beaker A= Isotonic

Beaker B = Hypotonic

Beaker C= Hypertonic

Explanation:

ISO means the same on each side.

Hypo means less.

Hyper means more.

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3 years ago
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Answer:

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