1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Rom4ik [11]
3 years ago
12

On an electrophoresis gel, band B is closer to the positive end of the gel than is band A. Which of the following statements is

true?
A. The DNA fragments in band B were smaller than those in band A.
B. Band A and band B contain the same DNA fragments.
C. Band A moved faster than band B.
D. The DNA in B is more positively charged than the DNA in A.​
Biology
1 answer:
ZanzabumX [31]3 years ago
4 0

Answer:

D. The DNA in B is more positively charged than the DNA in A.​

D. The DNA in B is more positively charged than the DNA in A.​

Explanation:

You might be interested in
Briefly describe Wernicke and Broca aphasia. What is a main difference of these two classic types of aphasia and can be useful i
mixer [17]

Answer:

Broca's area refers to a motor speech region, which assists in movements needed at the time of the production of speech. When an injury takes place in the frontal parts of the left hemisphere, it can give rise to various kinds of language issues. This section of the brain plays an essential role in putting words together to produce complete sentences. The injury to the left hemisphere is known as Broca's aphasia, also known as expressive aphasia.  

Wernicke's aphasia also called receptive aphasia, posterior aphasia, or sensory aphasia is a kind of aphasia in which individual encounters with difficulty in understanding spoken and written language. Thus, the two kinds of aphasia are expressive aphasia in which one faces difficulty in conveying thoughts via writing and speech. The other is receptive aphasia, in which one finds difficulty in understanding the written or spoken language.  

By analyzing the symptoms that whether the patient exhibits difficulty in understanding speech and using accurate words to express thoughts or the movements that are needed to generate speech, one can find the site of destruction.  

4 0
3 years ago
When are scientific ideas modified
sladkih [1.3K]

Answer:

scientists form opinions based on evidence and decide how the idea should change.

Explanation:

scientific rarely change , because they are based on extensive edivence. new evidence leads to modification of ideas

7 0
3 years ago
Which of the following is NOT an example of a fossil? *
denpristay [2]

Answer: mineral deposits can not be used as an example of fossil

Explanation:in evolution theory, both bones and footprints were used for fossil record

3 0
3 years ago
Which is the first step in the scientific method?
Dmitry_Shevchenko [17]
Ask a question  is first
3 0
3 years ago
Read 2 more answers
The different forms of a gene for a given trait are called
irina [24]

alleles

ggggggggggggggggggggggggggggggggggggggggggggg

8 0
3 years ago
Read 2 more answers
Other questions:
  • Early ideas on the classification of life recognized all organisms as belonging to one of two fundamental lineages−prokaryotes o
    10·1 answer
  • If the T m for a particular amino acid is 120 mg/100 ml and the concentration of that amino acid in the blood is 230 mg/100 ml,
    10·1 answer
  • A 1-month-old infant in the neonatal intensive care unit is dying. his parents request that a nurse give the infant an opioid an
    13·1 answer
  • The area in the brain that plans, anticipates, and controls impulses is the _____ cortex.\
    15·1 answer
  • Why might genetically identical twins have different phenotypes?
    10·1 answer
  • TRUE OR FALSE PLEASE HELP ME WITH THIS
    14·2 answers
  • Inhibitors of microtubule synthesis inhibit mitosis by preventing the formation and function of which of these?
    15·1 answer
  • A scientist is studying a cell from an unidentified organism. Which of these observations of the cell provide evidence for class
    14·1 answer
  • How long does adderall take to kick in on a full stomach reddit
    11·1 answer
  • Why is nonpoint source pollution more difficult to control than point source pollution?.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!