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Serga [27]
3 years ago
9

The rocky material left behind by a retreating glacier forms what is called a moraine. When primary succession occurs on a morai

ne, which life-forms will help create the soil by breaking down bare rock?
A Insects
B Lichens
C Grasses
D Deciduous trees
Biology
1 answer:
nexus9112 [7]3 years ago
5 0

Answer:

The correct answer is - B. Lichens.

Explanation:

Lichens are one of the pioneer species that can grow on bare rock such as moraine and help make soil for further ecological succession and making ground for other species.

Breaking the bare rocks to convert into the soil is part of the primary succession. Lichens are colonized over these rocks and they contain acid which leads to the breakdown of the moraine and other rocks.

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DNA does all but which of the following?
siniylev [52]

Answer:

The correct answer will be option-is read by ribosomes during the process of translation.

Explanation:

The DNA is a nucleic acid made up of nucleotides which serves as a genetic material of the cell. It stores the information required by the cell in the form of codons made up of nitrogenous bases. The DNA after transcription forms a messenger molecule called mRNA which is read by the ribosomes to code for specific amino acid which binds to form the proteins, the building block of the body.  

Since the mRNA is read by the ribosomes during translation and not DNA directly, therefore, the selected option is the correct answer.

3 0
3 years ago
How many oxygen molecules can one hemoglobin molecule transport?
Zigmanuir [339]

Answer:

four oxygen molecules

Explanation:

The hemoglobin molecule has four binding sites for oxygen molecules: the iron atoms in the four heme groups. Thus, each Hb tetramer can bind four oxygen molecules.

5 0
3 years ago
The first step of the scientific method usually involves _______.
asambeis [7]

Answer:

b. developing a hypothesis

3 0
2 years ago
What is the goal of PHOTOSYNTHESIS?
emmasim [6.3K]
Photosynthesis gives the plant food/nutrients to be able to survive. They make their own food
4 0
3 years ago
a reaction that hydrolyzes a phosphodiester bond would cleave a dna molecule between a phosphate group and:
Gnoma [55]

Reactions that hydrolyze the phosphodiester bonds split the DNA molecule between the phosphate groups and the hydroxyl groups of the two sugar groups.

In DNA there is a covalent bond through a phosphate group that connects the hydroxyl group (OH) at the 5' position of the pentose sugar and the hydroxyl group at the 3' position of the pentose sugar of the next nucleotide. This covalent bond is called a phosphodiester bond because chemically the phosphate group is in the diester form.

In other words, the phosphodiester bond connects the sugar in one nucleotide to the sugar in the next nucleotide, so this bond simultaneously connects the two consecutive nucleotides to form a polynucleotide chain. If there is an enzyme that catalyzes the hydrolysis of covalent bonds that combine nucleotides, what happens is that the phosphodiester link between deoxyribose sugars will break.

Learn more about the phosphodiester bonds at brainly.com/question/23660733

#SPJ4

6 0
1 year ago
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