BIOLOGY HIGH SCHOOL

Which structure has the least effect on the ability of a virus to infect and replicate in a host cell?

Answers

Answer 1
Answer: The answer is an envelope.

A virus is an infectious agent that can replicate only inside a host cell. When it is outside the cell, it consists of genetic material coated with protein capsid. Some viruses also have an envelope which covers capsid. The function of the envelope is to identify and bind some receptor sites on the host membranes. After fusing with the cell membrane, it allows to capsid and genetic material to enter the cell and infect it.
Answer 2
Answer:

Answer:

Ribosome

Explanation:

doing the test now!

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Plants that are more similar to algae are _____.

Answers

The answer is nonvascular plants.

The plants that are similar to algae are called nonvascular plants. They are the plants small plants with the absence of vascular system. They do not have roots. They have small hair likes that insert to substrate to keep the plants in place instead of roots. These are called rhizoids.

Gentoo penguins will present a mate with a pebble that they find to attract a mate. Emperor penguins have a specific call and movement that they make to attract a mate. Which type of isolation do these penguins demonstrate?

Answers

Answer:

B - behavioral isolation

Explanation:

behavioral isolation
to attract there mate.

Heart passageway to the arteries??answers?

arota

pulse

valve

ventricle

atrium

Answers

arota is the heart passageway ti the arteries

Answer:

ventricle i believe

Explanation:

Ody 2021

The sporophyte is much larger than the gametophyte ina. vascular plants.
b. non-vascular plants.
c. bryophytes.
d. mosses.

Answers

The sporophyte is much larger than the gametophyte in vascular plants. 

The correct answer is a. vascular plants.

Vascular plants with larger sporophytes are gymnosperms, examples are conifers such as Cycas, Pinus and angiosperms, examples flowering plants are mango, sunflower. The dominant phase in these plants are diploid, independent sporophyte which produces two types of spores. Gametophyte is short lived and dependent on sporophyte.  

List of solid mixtures in a classroom

Answers

Answer:

A mixture is a combination of two or more substances which are bound chemically. Identities of each substance is retained in the mixture.

Solid-solid mixture is sub-type of mixture which are formed by mixing two or more solids.

For example, soil (mixture of sand, silt, clay etc), gun powder (mixture of carbon, potassium nitrate, sulphur), etc.

Similarly, in class various solid mixtures are found such as:

  • Chalk is mixture of calcium carbonate, silt and clay.
  • Concrete is a mixture of cement, lime, sand, rocks, and water.
  • Stationery such as pen, pencil, sharpener, etc also come under solid mixtures.
  • Alloys are also considered as homogeneous mixture. So, bronze, brass etc found in electrical appliances are also an example of solid mixtures.
There are many things like that. Such as desks, chairs and blackboards. Almost every solid thing in a classroom is a mixture. So you can list whatever you want.

Ron works as a custodian's helper at a school, under the supervision of the custodian. Ron can read and write his name, and can read first-grade books. He moves slowly and sometimes with difficulty. Ron most likely suffers from?

Answers

Answer:

Moderate intellectual disability

Explanation:

Ron works as a custodian's helper at a school, under the supervision of the custodian. Ron can read and write his name and can read first-grade books. He moves slowly and sometimes with difficulty.

Ron most likely suffers from a moderate intellectual disability.

Such type of people can communicate in basic and simple ways. They may have physical signs of impairment.

Approximately 10% of people with intellectual disabilities fall into this category.
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