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aliina [53]
3 years ago
9

Read the descriptions of two experiments below.

Biology
1 answer:
stealth61 [152]3 years ago
4 0
B. Experiment 1, because it gave the same results every time
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Which type of cell does the charger best model?
SOVA2 [1]

Answer: A

Explanation: The nervous system sends electric signals from the brain to the body to make they move. The charger is similar becuase it sends energy to your devices so they can work.

5 0
3 years ago
A ____ is the underlying combination of genetic material present (but outwardly invisible) in an organism.
Alex

Answer:

D (Genotype)

Explanation:

A genotype is the genetic make up of an organism i.e. what the genetic material

of an organism constitutes. Genotype describes the set of genes contained in an organism's genome. According to Mendel, an organism receives two forms of genes called ALLELE for a trait, one from each parent. The genotype of a specific gene coding for a trait is represented by each pair of allele for that trait.

Although the genotype of an organism is outwardly invisible i.e. cannot be seen, but it determines the phenotype of that organism i.e. the outward appearance. For example, if a plant receives T and T alleles coding for tallness, from each parent. The genotype of that plant for the specific height trait will be (TT). Hence, the TT genotype although invisible but controls the tallness of the plant.

5 0
3 years ago
The classification of algae in taxonomic groups remains a topic of some debate. The classic approach to classification focused o
svp [43]

Answer:Phaeophyta--Described as "hairy" in appearance produce alginic acid, which can be used as a thickening agent.

Rhodophyta ;are utilized commercially to produce carrageenan and can photosynthesize at depths greater than 10 meters

Chlorophyta;Considered the progenitor of land plants, have 18S rRNA sequences comparable to plants

Chrysophyta;The is a diverse group that includes the diatoms, a major component of phytoplankton

Explanation:algae are a diverse group of organisms with majority of them living in water and a few on land. They are green and contains chlorophyll.they also contains phycobillins pigments.

Chlorophyta are green algae that exist in water habitat an example is Chlamydomanas reinhardi.they have similar structures with higher plants such as chlorophyll, cellulose cell wall and stores food as starch.

The chrysophyta includes diatoms.diatoms have a cell wall composed of pectin and deposits of silica. They may occur in large deposit as diatomaceous earth.

Phaeophyta--are brown algae. An example is sea weed they are found in deeper ocean waters. Sea weed has a thallus which branches into a basal holdfast that aids attachment to rocks.their blade allows the plant to float

Rhodophyta are algae which are sometimes Unicellular in form they have a characteristic red color due to the presence of phycoerythrin along with phycocyanin, chlorophyll.they are used as source of algar for microorganism culture.

7 0
4 years ago
Which of the following is a value of biodiversity?   
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C. Healthy ecosystems
6 0
3 years ago
What effect will a virus in the lytic cycle have on an organism? A. It will have no direct effect on the organism. B. It will ca
Tju [1.3M]
<span>The virus in the lytic cycle will cause a disease in the organism. The destruction of the diseased cell and its membrane is the idea of the lytic cycle. The viral DNA exist in the bacterial cell and replicates in the host bacterial DNA. This is the reason why virus can worsen the disease of the organism.</span>
3 0
3 years ago
Read 2 more answers
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