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
mr_godi [17]
3 years ago
6

Viruses, although not considered to be alive, attack host cells and cause disease. The attack of a host cell is necessary for th

e virus to survive for all of the reasons listed EXCEPT one. That is A) they cannot synthesize proteins because they lack ribosomes and must use the ribosomes of their host cells to translate viral messenger RNA into new proteins. B) they cannot produce or store energy in the form of ATP and have to get their energy from the host cell. C) they parasitize the host cell for basic molecules like amino acids, nucleotides, and lipids. D) they lack DNA so they must use the DNA of the host cell. Elimin
Biology
2 answers:
sergeinik [125]3 years ago
4 0
Its D, because i had this problem on a test, and of course i figured out the answer the hard way... lol
Kay [80]3 years ago
4 0

The correct answer is (D) They lack DNA so they must use the DNA of the host cell.

Viruses have their own genetic material to replicate and they need not to use the genetic material for the their survival in host body. Growth and division is one of the important factors for the survival of the organism. The virus themselves have their genetic material RNA or DNA for replication. They just need a host body because they cannot synthesize protein. They cannot produce or store energy. They lack molecules like nucleotide and lipid.

You might be interested in
BEST ANSWER GETS BRAINLIEST!!!!!!1
Alex73 [517]

Answer:

The suspect might be guilty, but more information is needed from other parts of the investigation.

Explanation:

Due process states innocent until proven guilty. Having an 80 percent chance of deception is not solid proof of anything. It does, however, bring more speculation to the table that this person is indeed guilty, but because there is no actual proof, the investigators must find more information on the matter.

7 0
3 years ago
What are pteridophytes?​
ki77a [65]

Answer:

A pteridophyte is a vascular plant that disperses spores. Because pteridophytes produce neither flowers nor seeds, they are sometimes referred to as "cryptogams", meaning that their means of reproduction is hidden. Ferns, horsetails, and lycophytes are all pteridophytes.

Explanation:

5 0
2 years ago
Read 2 more answers
I dii ok not under stand this please help me!
satela [25.4K]

Answer:Answer:

For 1: The correct answer is Model 1, 2, and 4.

For 2: The correct answer is Option 1.

Explanation:

For 1:

An element has 3 subatomic particles: electrons (E), neutrons (N) and protons (P).

Atomic number is defined as the number of protons or number of electrons.

Atoms having same number of protons are same. From the given models, Model 1, 2 and 4 have 2 protons with different neutrons. Hence, these models belong to same element.

For 2:

A compound is defined as a substance in which two or more types of elements combine in a fixed ratio. For Example:  is a compound made out of atoms of carbon and oxygen.

Hence, the correct answer is Option 2.

7 0
3 years ago
In what way can open-mindedness interfere with scientific progress
umka2103 [35]
<span>Open-mindedness does interfere with scientific progress as it can lead to acceptance of untested ideas. Open-mindedness can lead to actually accepting results that are not true. This is not a great angle for people involved with scientific experiments. Open-mindedness should be limited to the fact that the results can lead to negative answers. People that can accept this theory will ultimately succeed in their strive for creating something new. There is nothing wrong in discarding the results that does not seem to fit the bill.
Hope I helped!:)</span>
8 0
3 years ago
You are doing an experiment and plated E. coliin different medias. Media A has onlyglucose, B has only lactose, and media C has
krek1111 [17]

Answer:

A. Glucose:

As lactose is absent will follow the glucose metabolism, so the lac repressor will hold tightly with the operator which leads to the prevention of transcription as RNA polymerase can not bind to promoter so no lactose metabolism.

B. lactose:

In the case or wild mutant lactose metabolism will occur as lactose is present, allolactose binds to the lac repressor thus the operator and promoter are free so transcription starts.  The same result will be in all test except in the case of a mutant repressor.

C. glucose and lactose:

In this case, diauxic growth will occur. This growth takes place when two sugars are present in the media. The preferred sugar will be consumed first That is glucose. Then a lag phase will come which will be followed by the second sugar metabolism that is lactose.  the given two cases :

Lactose will be metabolized first, as operator site mutation prevents repressor protein binding and thus will lead to the constitutive synthesis of lac operon in test B.   The same thing will happen, as in this case also, constitutive synthesis of lac operon will happen in test C.

Cultures grown in the presence of both glucose and lactose are metabolizing lactose. In the test (b) and (c) will be responsible due to constitutive synthesis of lac operon will happen.

6 0
3 years ago
Other questions:
  • Consider 2 genes in peas- gene controlling seed color- yellow Vs green; gene controlling seed texture-smooth Vs wrinkled. Assume
    15·1 answer
  • The ozone layer absorbs<br>​
    13·1 answer
  • In a hypothetical situation, a bacterium lives on the surface of a leaf, where it obtains nutrition from the leaf's nonliving, w
    8·2 answers
  • Six-year-old Demetri and 4-year-old Lucien's mother gave each boy a glass of juice with their lunch, but Demetri asked her to sw
    13·1 answer
  • Bacteria can grow on meat that has not been cooked to the proper temperature and can cause food borne illnesses.
    10·2 answers
  • In both prokaryotes and eukaryotes, DNA replication happens
    12·1 answer
  • The tiny gap between an axon's terminals and the dendrites or soma of another neuron is called the _____
    6·1 answer
  • 2 - 16x = 6(-3x + 2)=​
    14·2 answers
  • Who can answer this question
    12·2 answers
  • Mga iba pang pangyayari sa ang Kuwento Ni Solampid
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!