1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
marissa [1.9K]
3 years ago
8

Sophie is looking at a small particle through a microscope. It has unique proteins in its cell wall, but no nucleus. It is shape

d like a sphere. What is Sophie observing? A. a virus B. a bacterial cell C. an archaeal cell D. a host cell
Chemistry
1 answer:
Rudiy273 years ago
7 0

Answer:

C. an archaea cell

Explanation:

Both bacteria and archaea have a cell wall, but the bacteria cell wall has peptidoglycan. The archaeal doesn't have peptidoglycan, but some unique proteins. They both also don't have nuclei. A virus doesn't have a cell wall, and a host cell, if eukaryote, would have a nucleus.

You might be interested in
Describes how Anders Celsius devised the temperature scale that bears his name
shusha [124]
He used a tube of mercury and marked the height of the mercury when placed in an ice bath as 0 degrees celsius, when he placed the tube in a boiling, he marked the height of mercury and called that 100 degrees celsius, he marked it linearly between 0-100 degrees celsius
3 0
3 years ago
What do astronomers use to calculate the age of the universe? Select three options.
sasho [114]

The answers are

The age of the oldest stars

How fast distant galaxies are moving away from us

Patterns of background radiation.

Explanation:

The Astronomers calculate the age of the universe by looking for oldest stars, and by measuring the rate of expansion of the universe and back to big bang.

The Astronomers used the techniques like the age of oldest stars, how fast the distant galaxies are moving away from us, patterns of background radiation and along with the Big Bang as reference point, they estimate that the universe may be approximately 12 billion years old.

7 0
3 years ago
If the concentration of phosphate in the cytosol is 2.0 mM and the concentration of phosphate in the surrounding fluid is 0.1 mM
Allushta [10]
<span>The correct option is C. The concentration of phosphate inside the cytosol is already greater than the concentration of phosphate in the surrounding fluid, yet, the cell still want to move more phosphate into the cell. To do this, energy is needed to move the phosphate ions against the concentration gradient, so the type of transportation requires is ACTIVE TRANSPORT.</span><span />
8 0
3 years ago
Four liquids are described in the table below. Use the second column of the table to explain the order of their freezing points,
KIM [24]
Transcribed image text: Four liquids are described in the table below. Use the second column of the table to explain the order of their freezing points, and the third column to explain the order of their boiling points. For example, select '1' in the second column next to the liquid with the lowest freezing point. Select '2' in the second column next to the liquid with the next higher freezing point, and so on. In the third column, select '1' next to the liquid with the lowest boiling point, '2' next to the liquid with the next higher boiling point, and so on. Note: the density of water is 1.00g/mL .
7 0
2 years ago
What does the mass of an object measure?
anyanavicka [17]

Answer:

the amount of matter it contain

5 0
3 years ago
Read 2 more answers
Other questions:
  • In Males which of the following organ performs a dual function of ejaculation of sperm and voiding of urine
    13·2 answers
  • The _______ are found on the right side of the arrow in a chemical reaction. A. reactants B. products C. subscripts D. coefficie
    7·2 answers
  • The absolute temperature of a gas is increased four times while maintaining a constant volume. What happens
    15·1 answer
  • How does phosphorus enter the human body?
    11·1 answer
  • How many electrons in an atom could have these sets of quantum numbers?
    14·1 answer
  • What is the chemistry principle for silly putty and candle
    15·1 answer
  • Currently proven global reserves are expected to be largely exhausted within the next 50 years. Uranium-238 A Coal B Natural gas
    14·1 answer
  • Circulatory Quiz - 1 chance
    7·1 answer
  • + H₂O
    11·1 answer
  • Calculate how many grams of water needed to dissolve 35.00g KNO, at 50.0°C
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!