Answer:
A virus attaches to a specific receptor site on the host cell membrane through attachment proteins in the capsid or via glycoproteins embedded in the viral envelope. The specificity of this interaction determines the host—and the cells within the host—that can be infected by a particular virus.
Explanation:
Basically it means that each virus is specific because of a certain cell makeup or cell membrane. Search up your question on google, there is a site I got this from! :)
Brownfield is the answer bacasue it has this
Copied but correct answer.
Answer: C (She hasn't fastened the slide to the stage
Explanation:
In Microscopy even if the slide is not yet in focus,she will be able to see part of the slide which may appear as transparent image.Therefore this is a wrong answer.
If the microscope is not plugged it light can not come up.
If there are no specimen on the slide,the slide will still as transparent image at the focus.
No doubt Stella forgot to fasten the slide to the stage.,therefore the specimen on the slide was not in focus of the objective lens,rather she was focusing on the stage only,hence the visible white light.
Most mesophytes are crops like corn, goldenrod, or clover.
Answer:
<u>Melanocy</u><u>tes</u><u> </u>are cells in the epidermis that are part of the immune system
