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Semenov [28]
3 years ago
12

When the team captured underwater footage of a juvenile pygmy blue whale, what else did the crewnotice in the water and why were

they so surprised by this discovery?
Biology
1 answer:
liubo4ka [24]3 years ago
5 0

Answer:

See below

Explanation:

The crew of scientists noticed a nursing area, one which has never been seen or reported before - this made it all the more surprising. A mother whale nursing its young calf was captured, rather several pairs of this beautiful relationship was found. Generally, the blue whales are known to travel alone so a group of them together was a pleasant surprise.

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An experiment for a new asthma medication was set up into two groups. Group one was given the new drug for asthma, while group 2
hammer [34]

The sugar pill serves as a control.

The control in experiments is a sample that remains the same throughout the experiment and it is used to compare the results of the main experiment to. It serves to guarantee that changes noted in the experiment are from the variables introduced and  not something else.  


3 0
3 years ago
Does DNA undergoes translation to produce proteins . RNA undergoes mutation to produce cell walls
Alexandra [31]

Answer:

No

2. Yes

Explanation:

This is because DNA undergo transcription to produce RNA and RNA undergo translation to produce protein. Translation is the process where mRNA molecule is used as a template to produce protein.

RNA undergo mutation more than DNA and this is because the enzymes found in RNA viruses and participate in copying viral genomes is why it occur so. These enzymes does not have the abilities to recognize DNA damage that enzymes in most organisms have.

8 0
3 years ago
A decrease in the resting membrane potential is __________ whereas, __________ is an increase in the membrane potential.
nexus9112 [7]

Answer: depolarization; hyperpolarization

Explanation:

At resting potential (absence of stimulus), the cell membrane of a neuron is said to be polarized with a net negative charge within due to more potassium (K+) ions present than sodium (Na+) ions.

However, an impressed stimuli reverses the ions content as K+ ions flows out and quickly replaced by Na+ ions, resulting in a decrease in membrane potential and a more positive cell membrane. Thus, depolarization occurs.

An increase in the membrane potential (so that it becomes more negative) is called hyperpolarization.

4 0
3 years ago
Read 2 more answers
Each horizontal row in a pedigree chart represents a mating. a generation. several siblings. several characteristics.
Pavel [41]

Answer:

Option B, a generation

Explanation:

A pedigree is a tree diagram that represents the relationships between different individuals based on certain facts and medical(genetic evolutionary) histories. Basically , the branches of the tree represents the generations which allows the researcher understand how certain genetic characteristics or traits are transmitted with in a family

Such as transmission of any genetic diseases from one generation to the other.  

Hence, option B is correct

5 0
2 years ago
Read 2 more answers
When you describe a person as having attached ear lobes, you are describing their genotype.?
Alik [6]
Having attached earlobes is their phenotype. their genotype are the alleles that code for that
8 0
3 years ago
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