Question

plz answer no stupid answers plz like i dont know or ill take the comment away

1 Answer:
When a virus enters a bacterium, it leaves behind its
a. hereditary material.
b. outer coat.
c. RNA.
d. DNA
2 Answer:
Bacteria that make their own food are
a. autotrophs.
b. heterotrophs.
c. parasites.
d. endospores.
3 Answer:
Which of the following are bacteria "not" used for?
a. tanning leather
b. baking bread
c. making cheese
d. producing antibiotics
4 Answer:
The process used to destroy bacteria in milk before it is
marketed is
a. sterilization.
b. irradiation.
c. incubation.
d. pasteurization.
5 Answer:
Which structure would a bacteriophage use to attach itself to
the outside of a bacterial cell?
a. protein coat
b. tail fibers
c. hereditary material
d. head
6 Answer:
Bacteria that cause infections in people, animals, and plants
are called
a. endospores.
b. saprophytes
c. autotrophs.
d. parasites.
7 Answer:
Binary fission is a way in which
a. some bacteria make food.
b. most bacteria reproduce.
c. viruses make more viruses.
d. some bacteria form thick, protective membranes.
8 Answer:
Substances produced by helpful bacteria that destroy or weaken
disease-causing bacteria are called
a. endospores.
b. flagella.
c. parasites.
d. antibiotics.
9 Answer:
A virus reproduces by
a. splitting in two.
b. binary fission.
c. invading and taking control of a living cell.
d. joining with another virus.
10 Answer:
What invention enabled scientists to see and study the shapes
and sizes of certain viruses?
a. a special type of filter with tiny holes
b. the compound light microscope
c. the X-ray
d. the electron microscope
11 Answer:
At one time, scientists place bacteria in the plant kingdom
because, like plants, bacteria
a. have cell walls.
b. make their own food.
c. have cell membranes.
d. have chloroplasts.
12 Answer:
A virus that infects bacterial cells is called a
a. coccus.
b. bacteriophage.
c. bacillus.
d. spirillum
13 Answer:
A bacterium that resembles a sphere is called a
a. bacteriphage.
b. bacillus.
c. coccus.
d. spirillum.
14 Answer:
The whiplike structure that propels bacteria is call a (an)
a. toxin.
b. endospore.
c. flagellum.
d. cell wall.
15 Answer:
Bacteria that feed on dead things are called
a. saprophytes.
b. parasites.
c. heterotrophs.
d. atuotrophs.
16 Answer:
The type of hereditary material in a virus may be
a. DNA.
b. RNA.
c. either DNA or RNA.
d. neither DNA nor RNA.
17 Answer:
An organism within which a virus lives is called a
a. host.
b. saprophyte.
c. parasite.
d. virion.
18 Answer:
Which of the following is "not" a shape of bacteria?
a. sphere shaped
b. square
c. rod shaped
d. spiral
19 Answer:
The jellylike material inside the cell membrane of a bacterium
is called the
a. antibiotic.
b. flagellum.
c. cytoplasm.
d. endospore.
20 Answer:
Viruses are
a. tadpole shaped.
b. sphere shaped.
c. cylinder shaped.
d. any of these shapes.
21 Answer:
Bacteria belong to the _____ kingdom
a. Monera.
b. Plantae.
c. Protista.
d. Fungi.
22 Answer:
The common cold is caused by
a. viruses.
b. bacteria.
c. both viruses and bacteria.
d. neither viruses nor bacteria.
23 Answer:
Which of the following are viruses able to do?
a. take in food
b. get rid of wastes
c. reproduce on their own
d. cause disease
24 Answer:
Rod-shaped bacteria are called
a. spirilla.
b. cocci.
c. bacilli.
d. bacteriophages.
25 Answer:
In bacteria, the hereditary material is located in
a. the nucleus only.
b. the cell wall.
c. throughout the cytoplasm.
d. the protein coat.

Answer 1

Summary: Bacteriophages are viruses that infect bacteria. ... Upon attachment to the bacterium, the bacteriophage pierces the host cell envelope and injects its genomic material into this cell, ensuring novel bacteriophages can be produced. Each protein is labeled with a unique color.