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Alexeev081 [22]
2 years ago
12

Which material undergoes radioactive decay?

Biology
2 answers:
OlgaM077 [116]2 years ago
8 0

Answer:

all elements that have a consistent number of particles

Explanation:

patriot [66]2 years ago
5 0
A material containing unstable nuclei is considered radioactive. Three of the most common types of decay are alpha decay, beta decay, and gamma decay, all of which involve emitting one or more particles or photons.
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The model shows part of a process that uses tRNA. Which description explains the role of the tRNA in the
ladessa [460]

Answer:

a. The model delivers amino acids to the ribosome so they can

be added to the developing pepetide.

Explanation: tRNA is transfer ribonucleic acid. Its help to aid translation process. They have the appropriate anti codon that is a complement of mRNA i.e messanger RNA they Therefore give the appropriate amino acids to ribosome to form the appropriate polpeptide chain. Each amino acid has its own tRNA.

6 0
3 years ago
A scientist at the polar ice cap was studying an ice sample from hundreds of meters below the surface. While examining the ice,
emmainna [20.7K]

Answer:

<em>The correct option is C) Plants</em>

Explanation:

Option A is false because the cell cannot be an animal cell. This is because an animal cell does not possess a cell wall.

Option B is false because the cell cannot be a bacterial cell. This is because a bacterial cell does not have a nucleus. Their genetic material is dispersed inside the cytoplasm.

Option C is correct because all the organelles, a cytoskeleton, mitochondrion, nucleus, cell wall, and ribosomes, are present inside the plant cells.

6 0
3 years ago
Please help me....... ​
vichka [17]

Answer:

13. cytoplasm

6. microscope

7. tissue

5.organ system

15. organ

5 0
3 years ago
Which is the best explanation of the change in energy shown in the
Leya [2.2K]

D Energy input from the environment is stored in food molecules

during photosynthesis.

its correct.

7 0
2 years ago
A mistake in DNA replication, in which the wrong base is placed in the growing DNA strand, can have profound effects on the desc
Klio2033 [76]

Answer:

DNA replication is the process in which the DNA is copied and it occurs during synthesis phase of the eukaryotic cell cycle. It begins with an enzyme breaking the bonds between complementary bases in DNA which exposes the bases inside  the molecules so they can be read by another enzyme and used to build two new DNA strands with complementary bases.

Explanation:

The original strand is: TAGCGTT

                                      ATCGCAA

The Mutated strand is: TGGCGTT

                                       ATCGCAA

<em>The replicated strand is: GAATCAC</em>

<em>                                           CTTAGTG</em>

5 0
3 years ago
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