BIOLOGY HIGH SCHOOL

Which of the following statements is true?Viruses are much bigger than bacteria.
Viruses are cells with either RNA or DNA.
Viruses are bundles of genetic material enclosed in a capsid.
Both viruses and bacteria are living organisms.

Answers

Answer 1
Answer: Viruses are bundles of genetic material enclosed in a capsid.
Answer 2
Answer:

Answer:

Option C. Viruses are bundles of genetic material enclosed in a capsid.

Explanation:

Option A- False - Bacteria is about 100x larger than viruses.

Option B- False - Viruses aren't cells since they aren't living organisms.

Option D- False - Viruses are not living organisms.

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The number of individuals that live in a specific area is called

Help please biology work​

Answers

Answer:

C. Student 2

Explanation:

The community is the sum of all of the different populations in an area. All of the biotic(living) components of an ecosystem.

The only answer with more than one organisms is student 2's observation.

You are studying a population of Aplysia dactylomela (spotted sea hares) and you want to make predictions about their reproductive strategy. The population lives in seagrass beds in a region of the Caribbean that is relatively unpolluted, shallow, and has a year round temperature of around 25°C. What reproductive strategy is most likely found in this population?Multiple Choice
a. seasonal iteroparity
b. semelparity
c. Type lll
d. Type l
e. continuous iteroparity

Answers

Answer:

The spotted sea hares living in seagrass beds reproduce through semelparity.  

Explanation:

  • Sea grass is a submerged aquatic vegetation formed from terrestrial plants adapted to live in the sea water.  
  • They form the habitat for gastropods (molluscs) including sea hares which are herbivores and mostly eat red algae.
  • The colour of the sea hares vary depending on food they intake. Aplysia dactylomela (spotted sea hares) show internal fertilization ,the sperm donor and recipient.

______ is defined as a group of organisms that look alike and can interbreed

Answers

They are a species, the definition is:
A group of organisms that have similar characteristics and can interbreed to produce fertile offspring

Which term describes a single female arctic fox?biome
species
ecosystem
organism

Answers

Answer:

the answer is an organism

Suppose a template strand of DNA has the following base sequence: GATTACA. What should the corresponding message be in a strand of mRNA?Group of answer choices


AGCCGTG.


CTAATGT.


CUAAUGU.


TCGGCAC.


none of the above.

Answers

Answer:

CUAAUGU

Explanation:

Where is the genetic material of a virus located?

Answers

The structure of virus consists of viral genome, nucleocapsid, tegument, envelope, and envelope protein. The genome is present in the Nucleocapsid.

The simplest of viruses are composed of genetic material and protein or capsid. Viruses do not produce many structural elements however some viruses may have an additional proteinaceous structure around the genetic material called nucleocapsid and a lipid bilayer covering the outer capsid layer called the envelope. The capsid is there to protect the genetic material from degradation. The viral envelope is derived from the host cell membrane and the virus encoded proteins. The sugar moieties attached to those proteins and this feature influences and contributes to the host specificity, host-parasite interaction etc.

The nucleocapsid protein is encoded by the gag gene in HIV virus and in coronavirus, it is the one present in greatest abundance and highly antigenic.

The virus structure varies among the different families and at the least has a capsid and in some there might be a nucleocapsid additionally covering the genetic material of the virus.  It is either a capsid or the nucleocapsid and capsid that covers the genetic material.

The viral genetic material is covered by capsid and nucleocapsid.

Learn more about Virus here:

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The genetic material of a virus is located inside its capsid.
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