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
tatuchka [14]
3 years ago
13

What three things did the original cell theory propose and wht three things does the current cell theory propose?

Biology
1 answer:
xeze [42]3 years ago
7 0
<span> (1) All living things are made up of cells, (2) Cells are the smallest units (or most basic building blocks) of life, and (3) All cells come from preexisting cells through the process of cell division. Cells were first observed by the natural philosopher Robert Hooke in 1665. Though many scientists contributed to the understanding of cells, Matthias Schleiden and Theodor Schwann are credited with describing the first two parts of the cell theory in 1839, and Rudolf Virchow with later contributing the third. Today, the cell theory is considered the foundation of biology.</span>
You might be interested in
What are the two main divisions of the peripheral nervous system?
Burka [1]
The answer is the Somatic Nervous System and the Autonomic Nervous System.
7 0
3 years ago
Read 2 more answers
What change is likely to occur in a population of beetles that suddenly faces predation from an invasive species of frogs?
marusya05 [52]
The population density of beetles will decrease.<span>
</span>
4 0
3 years ago
Read 2 more answers
What would be the effect of a mutation in the coding region of the lactase gene?
Fynjy0 [20]

Lactase refers to an enzyme that can dissociate lactose sugar into glucose and galactose. This enzyme plays an important role in the digestion of milk that comprises high lactose sugar. In case, if a mutation occurs in the gene codon of lactase, then two possibilities can take place. These are as follows:  

1. Loss of mutation: In this case, the person becomes lactose intolerant because of mutation in lactase gene codon. Due to this, there is low mRNA expression and thus low production of the enzyme lactase. This is also known as lactase non-persistent phenotype.  

2. Gain in mutation: In this case, the person gain an increase in mRNA expression of the lactase gene, thus more production of lactase takes place than usual. This kind of individual exhibits lactase persistent phenotype.  


5 0
3 years ago
Why farmers are manuring at the roots of the plant​
Brrunno [24]

Answer:healthy plants

Explanation:the farmers use raw manure on their fields because it is an excellent source of nitrogen (N), phosphorus (P) and potassium (K), which are all nutrients necessary for plants to grow and thrive.

4 0
2 years ago
Read 2 more answers
Genetically identical armadillos were kept in the same controlled environment from birth and provided the same diet. Even though
Vlada [557]

Phenotypic variations in genetically identical organisms that grow in the same controlled environment may be due to mutation.

<h3>Mutation</h3>

This refers to a sudden change to the DNA sequence of living organisms.

When the DNA base sequence of organisms changes, the effect is shown in the morphology of organisms.

For organisms that are genetically identical but grow in different environments, phenotypic variations might exist as a result of environmentally acquired traits during the struggle to adapt to their environments.

In the same environment, however, genetically identical organisms are not expected to be phenotypically different, unless a mutation to the DNA of one has occurred.

More on mutation can be found here: brainly.com/question/17106056

7 0
1 year ago
Other questions:
  • Which enzyme is not working correctly if the dna had more than nomal level of mutations?
    8·1 answer
  • In treating alcohol use disorder therapists have clients consume alcohol that contains a nausea-producing drug. this technique i
    5·1 answer
  • As you are cooking, your hand brushes up against a hot pan. You quickly pull your hand away. What type of stimulus is this?
    6·1 answer
  • The endoplasmic reticulum (ER) is a single membrane continuous with the nuclear envelope and a series of interconnected sacs thr
    9·1 answer
  • Which of the following is not associated with prions?
    5·1 answer
  • What is the primary mechanism by which ach is cleared from the synaptic cleft?
    12·1 answer
  • Pikaia gracilens is an extinct invertebrate animal described from the wonderful pre-Cambrian soft-bodied fossils of the Burgess
    10·1 answer
  • 22. Why do you think the sea urchin was chosen to test the effect of changes in pH?
    10·1 answer
  • During which season do the rays of the sun hit the Earth at the MOST indirect angle? A) fall B) spring C) summer D) winter
    15·1 answer
  • Which of the following is an example of deductive reasoning?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!