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Gemiola [76]
2 years ago
13

Which statement is true about the structure of a double-stranded dna molecule?.

Biology
1 answer:
Elina [12.6K]2 years ago
3 0
Which of the following statements about the secondary structure of a tRNA molecule is true? It has more double-stranded than single-stranded regions It has more single-stranded than double-stranded regions Its single-stranded and double-stranded regions are about the same Telomeres contain many genes that encode DNA polymerases. True False
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Which of the following appears most likely to be true? Which of the following appears most likely to be true? As sediment increa
Dominik [7]

Answer:

As sediment increases, reproductive success in corals declines.

Explanation:

  • As species are shifting, biodiversity is declining and ecosystems are losing,
  • Marine heatwaves are causing coral reefs to bleach and mass die-offs of fish and other wildlife,
  • Swamps can retain sediments and can grow vertically at rates equal to where trees are grown around crops to increase biodiversity.

5 0
3 years ago
The Gram-positive bacteria have a ______ cell wall than the Gram-negative bacteria.
MrRissso [65]
Primarily, it detects peptidoglycan, which is present in a thick layer in Gram-positive bacteria. ... In Gram-positive bacteria, the cell wall is thick (15-80 nanometers), and consists of several layers of peptidoglycan. They lack the outer membrane envelope found in Gram-negative bacteria.

Link:https://courses.lumenlearning.com/boundless-microbiology/chapter/cell-walls-of-prokaryotes/

Note: This information has been taken out of a website.
5 0
3 years ago
Read 2 more answers
Which of the following is not a function of astrocytes?guide the migration of young neurons, synapse formation, and helping to d
Alinara [238K]

Answer: E) provide the defense for the CNS

Explanation:

Astrocytes can be defined as one of the cell types in the central nervous system. These are the dominant glial cell found in the brain. These cells perform a variety of functions in the brain. The functions includes axon guidance, synaptic support, controlling the blood brain barrier and blood flow.  These cells maintain the chemical environment in the brain especially around the neuron.

These cells do not provide to the central nervous system.

8 0
3 years ago
Recently, Jonesville County inhabitants have been embroiled in a controversy regarding the use of pesticides on crops grown in t
LenKa [72]

Answer:

Charles Ehler: incorrect.

Wendell Mullison: correct.

Robert Rodriguez: correct.

Judy Johnson:correct.

Explanation:

-Charles Ehler´s statement is incorrect because in order for a chemical company launch a new product it must pass several tests, that´s why products lasts years in proves, there are several tests such as the environment test that proves that the product doesn´t affect other species, or the human safety that makes sure the product doesn´t affect human health.Wendell Mulison´s statement proves to be correct with this as well.

-Robert Rodriguez´s statement  is correct because even though there are several tests that take care human healt there are just a few based on the damage pesticides produce to the land where are used.

-Judy Johnson´s statement is correct because science has proved that the resistant of parasites as being increasing with the products tat are used to combat them. Bacterias are an example of it, many drugs used against bacterias are now useless for some people because of the resistantthey have developed.

-One specie that can be taken as a pesticide can be the ground snail, that affects some plants and also may contain a parasite aclled "Hepatic fasciola" that affects sheeps and goats of farmers.

-One viable method to control pesticides is the sue of other species to control them, this specie has to be adequate to the land, for example, if a farmer wants to get rid of the ground snails because of the parasite and  the damage they do to their platings, they can introduce ducks to the farm that eat them without damaging the land with any kind of chemical product.

6 0
3 years ago
What behavior of light proves that it is a wave? Hint: Will this only happen because light is a wave, what could it also be true
makvit [3.9K]

Answer:

A. Redshift and Blueshift

Explanation:

It’s red shift and blue shift, because this only occurs when the frequency of the wave is made longer or shorter due to the movement of the source relative to the observer.

7 0
3 years ago
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