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N76 [4]
3 years ago
7

Choose the answer that best describes a gene.

Biology
1 answer:
nasty-shy [4]3 years ago
7 0
I think the correct answer from the choices listed above is option B. A gene is a tightly coiled strands of DNA. A gene is the basic unit of heredity and is made up of DNA. It acts as instructions to make molecules. Hope this answers the question.
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B) A popular lab that can be performed by students
antoniya [11.8K]

Answer:

Enzyme catalase is affected by high temperatures

Explanation:

Enzymes are organic catalysts which are protein in nature therefore they are sensitive to changes in temperature. Most enzymes have an optimum range of temperature between 35-40°c.

As temperature is increased, the optimum temperature is reached where the rate of reaction is maximum. When beef liver is boiled, hydrogen peroxide is not broken down because higher temperatures denature enzymes making them non effective.

6 0
3 years ago
PLEASEEEE HELP :((((
krok68 [10]

Answer:

D

Explanation:

7 0
3 years ago
The driving force presented by Wegener for his hypothesis was that continents ploughed through ocean crust.
babymother [125]

Answer:

"Alfred Wegener suggested that continental drift occurred as continents cut through the ocean floor, in the same way as this icebreaker plows through sea ice. ... The supercontinent later broke apart and the continents having been moving into their current positions ever since. He called his hypothesis continental drift."

3 0
3 years ago
Inhibitory neurotransmitters such as glycine and GABA make a postsynaptic cell harder to depolarize by allowing what?
Mashutka [201]

Inhibitory neurotransmitters such as glycine and GABA make a postsynaptic cell harder to depolarize by allowing "an influx of Cl-".

<u>Explanation:</u>

The neurotransmitters which have inhibitory influence on the neuron are termed as "Inhibitory neurotransmitters". The major inhibitory neurotransmitters involve serotonin and gamma-aminobutyric acid (GABA) in the brain and brain stem (spinal cord) respectively.

GABA uptake is temperature and ion-dependent as require both N a^{+} and C l^{-}. Even glycine transporters are also members of the large family of N a^{+} / C l^{-} dependent neurotransmitter transporters. Both of them with the GABA transporters share approximately 50% sequence identity.

8 0
3 years ago
Which of the following molecules contains all of the information needed to make a protein
aleksandr82 [10.1K]
Messenger RNA OR “mRNA”
3 0
3 years ago
Read 2 more answers
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