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
netineya [11]
3 years ago
11

What observation led researchers to propose that chloroplasts evolved from cyanobacteria? A) Both produce proteins. B) Both cont

ain mitochondria. C) Both provide structure to cells. D) Both perform photosynthesis.
Biology
2 answers:
MissTica3 years ago
8 0

Answer:

D

Explanation:

edge

a_sh-v [17]3 years ago
4 0
(D) Both perform photosynthesis is the observation that led researchers to propose that chloroplasts evolved from cyanobacteria.
Chloroplasts is the area where photosynthesis takes place. It is a green organelle in a plant cell. Pigments called the chloros in a chlorophyll are needed for the photosynthesis.
Cyanobacteria or blue-gree algae contains a blue photosynthetic pigment and a chlorophyll for photosynthesis.
You might be interested in
(05.02 LC)<br> Which of the following is one stage of the cell cycle?
GREYUIT [131]

Answer:

The Cell Cycle is a 4-stage process consisting of Gap 1 (G1), Synthesis, Gap 2 (G2) and Mitosis.

Explanation:

7 0
3 years ago
How do you think the idea of sustainability influences the work of foresters?
Nady [450]
It’s funny because the concept of sustainability is thought to come from field of forestry. Around the year 1700, Carl von Carlowitz described the concept of sustainable forestry.
6 0
3 years ago
Exposure to environmental tobacco smoke (ets) causes approximately _______ nonsmokers to die of heart diseases annually.
Arte-miy333 [17]
Exposure to environmental tobacco smoke causes approximately 45 to 46,000 non smokers to die of heat diseases annually. Smoking harms the cardiovascular system in many ways which include; damaging the lining of arteries, reduces HDL, good choresterol, Raises LML, bad cholesterol, increases blood pressure and heart rate, it also causes the platelets to stick together in the blood stream and speeds the development of fatty deposits in the arteries among other risk factors. 
7 0
3 years ago
An increase number of mitochondria in muscle cells would enable an individual to obtain energy from cellular respiration at a fa
N76 [4]

Answer:

there is an association between the number of mitochondria in muscle cells and energy production

Explanation:

Mitochondria generate energy by generating adenosine triphosphate (ATP), which is referred to as the "molecular unit of currency" of the cell since this molecule provides energy for diverse cellular processes

6 0
3 years ago
Describe flow of genetic formation
yan [13]

Answer:The basic flow of genetic information in biological systems is often depicted in a scheme known as "the central dogma".This scheme states that information encoded in DNA flows into RNA via transcription and ultimately to proteins via translation.

5 0
2 years ago
Read 2 more answers
Other questions:
  • Mitosis itself occurs in how many stages
    5·1 answer
  • Explain dna is considered the hereditary material
    11·1 answer
  • What kind of evolutionary advantage did lactose tolerance have?
    10·2 answers
  • Describe a service that a ecosystem provides in your community that should be protected to ensure that the quality of the servic
    7·1 answer
  • Which of the following is homozygous dominant? a AA b Aa c aa
    6·1 answer
  • When two experiments are identical except variable, the experiment is called an
    11·1 answer
  • Name the phylum whose members possess a notochord. Please explain what a notochord is. Thanks in advance!
    12·2 answers
  • What is one condition that must be met for a population to be in genetic equilibrium?
    9·1 answer
  • What proteins are crucial for creating and maintaining DNA replication forks? Choose the best explanation.
    5·2 answers
  • A bone sample is found with 1,125g of C-14 and 3,375g N-14. So the sample if
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!