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
Snezhnost [94]
3 years ago
5

Using a microscope in the science lab, Jill observed two unknown cell: Cell

Biology
1 answer:
natali 33 [55]3 years ago
3 0
Answer:
B. Cell 1 had a cell wall and cell 2 did not

Explanation:
Why A,C and D is wrong:

A: Both plant cells and animal cells have cell membrane

C: Plant cell (cell1) had a chloroplast and animal cell (cell2) did not

D: Both plant cells and animal cells have nucleus
You might be interested in
DNA: TTCGCTTTCT mRNA: Amino acid:
Degger [83]

Answer:

mRNA: AAGCGAAAGA

Explanation:

amino acid: lysine , arginine

5 0
2 years ago
What are the chemical characteristics of the most common mineral group?
AnnyKZ [126]

Answer:

The chemical feature of each group is: native elements – only one element; silicates – silica tetrahedron; phosphates – phosphate tetrahedron; carbonates – one carbon atom with three oxygen atoms; halides – a halogen bonded with a metallic atom; oxides – a metal combined with oxygen; sulfates – sulfur and oxygen

6 0
2 years ago
Pls answer real quick!!
nadezda [96]

Answer: B. it went faster as time went on

4 0
3 years ago
1. Patient c:
Karolina [17]
A. Patient is male because there is a Y chromosome

B. 47 chromosomes

C. Down syndrome or trisomy 21
3 0
3 years ago
Identify examples of how humans affect the levels of carbon dioxide in the air.
Readme [11.4K]

Answer:

humans affect the levels of carbon dioxide in the air is by us humans using buring fossil fuels releases a chemical into the atmosphere reducing the amount of force cover and the rapid expansion of farming developing and and

industrial activities Are the least ink carbon dioxide into the atmosphere and changing the balance of the climate system

3 0
2 years ago
Read 2 more answers
Other questions:
  • What is the social benefits of forest to us human being? please with the reference.​
    8·1 answer
  • Which sustainable practice is paired correctly with its impact on the environment ?
    13·2 answers
  • Which statement best describes the relationship of photosynthesis and energy
    15·1 answer
  • A plant with purple flowers is allowed to self-pollinate. generation after generation, it produces purple flowers. this is an ex
    10·1 answer
  • Which of the following is not one of the four main layers on earth atmosphere
    15·2 answers
  • Which pedigree symbol is used to represent a female carrier of a recessive X-linked trait? An empty circle. A half-filled circle
    14·1 answer
  • Which type of fault causes land to move downward?
    12·2 answers
  • DO all organisms share the same genetic code
    12·1 answer
  • When a capillary is damaged, a platelet plug formed. The process involves platelets sticking to each other. The more platelets t
    9·1 answer
  • State two functions of potassium in the human body​
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!