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sergeinik [125]
4 years ago
10

What is a ‘control’ in an experiment

Biology
2 answers:
ryzh [129]4 years ago
8 0

Answer:all the things that you keep the same in the experiment

Explanation:

Pie4 years ago
6 0
The thing you never change, you keep it the same
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A cross between black a chicken (BB) and a white chicken (WW) produces offspring that
alisha [4.7K]

Answer:

The answer is codominace. :)

Explanation:

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3 years ago
What does mitosis produce <br> a. body cells <br> b. sex cells <br> c. dna <br> pls help me
xxTIMURxx [149]

Answer:

a. body cells

Explanation:

Body cells are eukaryotic. Eukaryotic cells replicate via mitosis.

6 0
3 years ago
A potential negative health effect of stress is _______
Minchanka [31]

Correct option a) Increased plasma volume.

A potential negative health effect of stress is Shrinks the brain. Stress that's the left unchecked can contribute to many health problem, such as high blood pressure , heart disease , obesity and diabetes.

The volume of the brain tends to remain about the same, it has been found that chronic stress in healthy individuals can causes areas of the brain associated with emotions , metabolism and memory of that individual to be shrink slowly.

Stress can also be positive which is distress , getting job promotion or being given grater responsibilities keeping us alert and ready to avoid danger. It can became negative if a person faces continuous challenges without relief or relaxation between challenges.

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7 0
2 years ago
During the stage of a plant's life cycle where it is a haploid structure, the body of the plant is correctly referred to as a(n)
olganol [36]

Answer:

The haploid structure of the plant, during a stage in plant's life cycle, is known as the <u>gametophyte.</u>

Explanation:

The life cycle of plants includes a haploid generation and a diploid generation. Both the structures are multicellular.

The diploid structure of a plant is known as sporophyte. This structure produces spores via meiotic division.

Whereas, the haploid structure of the plant, known as the gametophyte, is formed from spore and produces haploid gametes.

6 0
3 years ago
The correct sequence of events occurring during transcription is
marin [14]
Firstly, the enzyme, DNA Helicase breaks the Hydrogen bonds between a specific region of the DNA molecule and unwinds the duplex DNA molecule at the targeted gene sequence site.
 Then, RNA Polymerase binds at the 3` site of the gene sequence of the sense/coding strand(only one strand) that acts as the template for mRNA synthesis. RNA Polymerase then matches free nucleotides by complementary base-pairing(A-U & C=G), working in the 5`to3` direction. Hydrogen bonds then form between the complementary bases, holding the nucleotides in place. Each free adjacent nucleotide is joined at 3` ends by Condensation reactions with the other to form Phosphodiester bonds.
Once the mRNA molecule is formed, it is separated from the synthesis complex and leaves the nucleus through pores in the nuclear envelope to moves towards ribosomes for Translation.
Lastly, the DNA double helix rewinds by forming Hydrogen Bonds.

6 0
3 years ago
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