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Liono4ka [1.6K]
3 years ago
15

A scientist is conducting an experiment to test a hypothesis. If the data from the experiment does not support the hypothesis, t

he research is not a waste of time because — A no additional research needs to be conducted B the question was answered and a new hypothesis can be made C the results do not have to support the hypothesis D the hypothesis was just a guess and does not have to be supported by data
Biology
1 answer:
Marina CMI [18]3 years ago
4 0

Answer:

D the hypothesis was just a guess and does not have to be supported by data

Explanation:

The idea of experimentation is to see what happens in practice.

You could predict what could happen and that's where the hypothesis came from.

If the experiment in practice has the same results as the hypothesis, good you can move forward.

If it's not, it was worth it to know your hypothesis was wrong and need to research to get things better and create a new type of experiment to get data.

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Which of the following are true of a bacterial cell but not an animal
Pie
Does not have a distinct nucleus
bacteria has a strand of DNA/RNA called plasmid
5 0
3 years ago
In a cross of two heterozygous parents, 25% of the offspring should have the recessive phenotype.
Degger [83]
True because if you were to do a punnet square, it would show 25% recessive 25% dominate and 75% hybrid 

7 0
3 years ago
Restriction enzyme HinfI cleaves a five nucleotide DNA sequence GA(A/T)TC. The ambiguity in the central position - (A/T) - means
Afina-wow [57]

Answer:

C) 2.0 kb

Explanation:

It is given that out of the 4 nucleotides A, T, C & G each one has equal probability to occur at any position on the DNA molecule which simply means that the probability of occurrence of any nucleotide at a position is 1/4.

Also, it is given that probability of occurrence of either A or T at 3rd position is equal which means that the probability at that particular position will be 2/4 = 1/2.

Now, GA(A/T)TC is the DNA sequence where Restriction enzyme HinfI cleaves so the total probability of an average HinfI cleavage fragment will be = 1/4 x 1/4 x 1/2 x 1/4 x 1/4 = 0.00195 = 0.2 i.e. 2 kb.

6 0
3 years ago
To protect an endangered species, a group of biologists have decided to store the genes of the species. They think that this is
Afina-wow [57]

I think it is genome conservation.


3 0
3 years ago
Read 2 more answers
Suppose that a portion of double-stranded DNA in the middle of a large gene is being transcribed by an RNA polymerase. As the po
babunello [35]

<u>Answer:</u>

CCGAGU

<u>Explanation:</u>

DNA transcription:

DNA transcription is the process through which DNA double helical strand is converted into single stranded RNA molecule.

During transcription two strands of DNA are named differently i.e Template strand and coding strand.

Template strand:

Strand from which RNA is producing is known as template strand while

Coding strand:

The strand which is opposite to the template strand is known as the coding strand. Coding strand is the DNA strand whose nucleotide sequence resembles to the RNA transcript base sequence except thymine which is replaced by uracil.

Correct Answer:

Template strand from 5' to 3' reads GGCTCA. and

In this question CCGAGT is coding strand.

RNA sequence is same as coding sequence except T which is replaced by U so sequence of RNA becomes

CCGAGU

8 0
3 years ago
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