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igomit [66]
4 years ago
7

Which is abiotic? A). Tree Sap B). Insect C). sunlight D). Wood Table

Biology
1 answer:
Ainat [17]4 years ago
5 0
Tree sap and insect are living and a wood table used to be living but sunlight is neither alive nor dead so sunlight is your answer.
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Write the simple equation that describes the action of the enzyme catalase. What is/are the substrate(s)? What is/are the produc
Novosadov [1.4K]

Answer:

H2O2> H2O + O2. H2O2 is the substrate. Water and oxygen are the products.

Explanation:

Catalase is important because it is an antioxidant enzyme and as such can be used against numerous oxidative stress-related diseases as a therapeutic agent.

6 0
2 years ago
White spotting, or piebald trait, characterized by an absence of hair pigment in specific places, is caused by mutant copies of
dybincka [34]

The right answer is B) gene.

A gene, in genetics, is a basic unit of heredity which in principle predetermines a specific trait of the form of a living organism, as defined in 1909 by Wilhelm Johannsen. From the physical point of view, a gene is a fragment of the determined locus of a DNA sequence.

A gene "parameter" the synthesis of a given RNA, by predefining its structure and, therefore, that of the possible protein or possible polypeptide synthesized from this RNA: this is what molecular biology studies .

These two aspects of the notion of gene are supposed to correspond, one at the physical and molecular level, the other at the level of principle and heredity.

3 0
4 years ago
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The release of spores by a mushroom is one type of) A. binary fission ) B. gametogenisis ) C. meiosis ) D. asexual reproduction
timama [110]

THE ANSWER IS B GAMETOGENISIS

6 0
4 years ago
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Hydroxylamine is a mutagen that acts only on cytosine and causes C-->T and G-->A base pair changes (i.e. it causes transit
natulia [17]

Options for the question are not given. They are as follows:

a. arg or lys

b. ala

c. thr

d. leu or ser

e. Only termination codons

Answer:

d. leu or ser

Explanation:

Four codons code for proline amino acid. These are CCT, CCC, CCA, and CCG. Hydroxylamine causes C to change into T or G to change into A.

If first position is changed in each codon:

CCT = TCT (UCU)

CCC = TCC (UCC)

CCA = TCA (UCA)

CCG = TCG (UCG)

These codons produce Serine amino acid.

If second position is changed in each codon:

CCT = CTT (CUU)

CCC = CTC (CUC)

CCA = CTA (CUA)

CCG = CTG (CUG)

These codons produce Leucine amino acid.

Hence, out of the given options, option d. leu or ser is correct.

7 0
3 years ago
Deforestation and Forrest fires leads to
natulia [17]

Answer:

Why does deforestation cause forest fires?

Climate change and the cycle of fire

"More deforestation means an increase in climate change, which increases the chances of the vegetation drying out, which in turn increases the risk of fire and so on." And the fires continue to increase greenhouse gases in the atmosphere

Explanation:

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