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
ale4655 [162]
4 years ago
14

Which microscope did Anton van Leeuwenhoek use to observe single-celled organisms?

Biology
1 answer:
Maru [420]4 years ago
5 0
<span>the microscope that Anton van Leeuwenhoek use to observe single-celled organisms is : a. simple microscope, which is the type of microscope that only has one lens. Anton van leeuwenhoek conducted his studies in the 1600s. During that time period, we haven't developed any type of high-end microscope that exist today</span>
You might be interested in
The ____ is a immature form of an organism that looks very different from the adult
slega [8]
There could be many answers to this question, but a possible one is embryo!!
5 0
3 years ago
Read 2 more answers
Regular aerobic exercise gives an individual more endurance is a sentence that shows cause and effect. Which word indicates the
Elenna [48]
<span>b. Exercise



If we conduct a research investigation in these given situation. More specifically, an experiment this would suggest a most probable scenario of a cause and effect situation or technically called causality. 

Here the Independent variable is the exercise 
The dependent variable is the endurance.

Hence regular EXERCISE increases endurance. </span>
8 0
4 years ago
Read 2 more answers
If you were to create a human being, what are 3 changes you would make?
Zigmanuir [339]
1) the ability to hate
2) the ability to judge
3) the ability to look past flaws
5 0
3 years ago
Help 20 poiNts Pls help
Sonbull [250]
I would go with 4 that's what makes the most sense to me, and i just learned about this last year so... I hope this helps good luck..
7 0
3 years ago
Read 2 more answers
In circumstances where the body requires prolonged or increased levels of a hormone, the DNA of target cells will specify the sy
Norma-Jean [14]

Answer:

Up-regulation.

Explanation:

Hormones may be defined as the chemical messengers of the body that can transmit information and maintains homeostasis. The hormones can directly go into the bloodstream and may release through the special ducts.

The receptors of the hormone is required for the binding of the receptors. To maintain the normal homeostasis of the body, the body shows the up regulation and down regulation. In up regulation the hormone levels increases in the body by increasing the receptor on the specific target organ.

Thus, the correct answer is up regulation.

7 0
4 years ago
Other questions:
  • In a sample of yeast DNA, 31.5% of the bases are adenine (A). Predict the approximate percentages of C, G, and T.
    13·1 answer
  • Enzymes can increase the rates of reactions over a miltion fold but they do not accomplish this by
    15·1 answer
  • In invertebrates both nitrogenous and digestive wastes are eliminated through the anus because the
    15·1 answer
  • The process by which populations change over time is called
    12·1 answer
  • In the fruit fly, Drosophila melanogaster, a known deletion on the X chromosome removes both a gene involved in the fly's develo
    7·1 answer
  • What do scientists theorize about the origins of the Moon? Choose the most recent explanation.
    7·1 answer
  • The cells produced by the lymph nodes are ____.
    6·1 answer
  • City water management is analyzing water samples from the local river for water pollutants that could be toxic to humans if foun
    11·1 answer
  • Stuck on these 2 questions
    14·1 answer
  • In almost 70% of cystic fibrosis cases, a set of three base pairs is lost from chromosome 7. this results in the loss of an amin
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!