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masha68 [24]
3 years ago
13

True or false: a hypothesis is a random guess

Biology
1 answer:
galina1969 [7]3 years ago
8 0
False false false false false
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According to the phylogeny presented in this chapter, which protists are in the same eukaryotic supergroup as land plants?
kvasek [131]

Answer: d. both a and c

Explanation:

Green algae are present in the most diverse environments. The vast majority of species, approximately 90%, are freshwater, with a cosmopolitan distribution, that is, they have a wide distribution on the planet. It is the predominant group of freshwater plankton. BASIC CHARACTERISTICS: Eukaryotic, Chlorophyll a and b, Xanthophylls (mainly lutein) and Carotenes (mainly β-carotene), Reserve: starch, Cell wall: mainly cellulose, Presence of flagella at some stage of the life cycle.

Red algae: Cell wall - consists basically of two parts, one internal and rigid, formed by cellulose microfibrils (most red algae), and the other outer, mucilaginous, formed by galactan polymers, such as agar and carrageenans. Certain groups of red algae have calcium carbonate deposition on the wall, giving the stalk great rigidity. This deposition may be in the form of aragonite or calcite. BASIC CHARACTERISTICS: Eukaryotic, Chlorophyll a and Phycobiliproteins (b, re-phycoerythrin, allophycocyanin and echo-cytocyanin), Xanthophylls (zeaxanthin, lutein, etc.) and carotenes (mainly β-carotene), Reserve: Cellular starch: cellulose, agar and carrageenan, Absence of flagella at all stages of life, including gametes and spores.

6 0
4 years ago
Snake venom contains a mixture of enzymes, which include phospholipase that break down cell membranes, proteinases that destroy
Alik [6]

Answer:

The correct answer is - Venom enzyme inhibitors.

Explanation:

The snake venoms are the complex mixtures of phospholipase A2s, disintegrins, serine proteases, C-lectins, and metalloproteases, and others. The snake venom phospholipase A2s (svPLA2s) enzymes found in most of the families of venomous snakes that cause anticoagulant effects, cardiotoxicity, neurotoxicity, and cytotoxicity, and other effects.

In antivenom, there are Venom enzyme inhibitors other than antibodies that help in neutralizing these enzymes by weakening or inhibiting these toxic actions.

3 0
3 years ago
What’s the answer 1-7 pls help
Sonbull [250]

Answer:

electronic

Explanation:

I don't know

5 0
3 years ago
What is the official term for a horizontal lightning bolt that travels for more than 62 miles?.
timurjin [86]

The official term is a megaflash :)

6 0
2 years ago
The building of rocks of living things this is called
butalik [34]

Sedimentary rocks are formed from pre-existing rocks or pieces of once-living organisms. They form from deposits that accumulate on the Earth's surface.

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