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
KiRa [710]
3 years ago
10

Which of the following is not true about a hypothesis?

Biology
1 answer:
zhannawk [14.2K]3 years ago
5 0

hypothesis can be reject or wrong because it's what somone thinks as a theory also it aslo cannot be proven correctly

and it aslo has to he tested many times

You might be interested in
Some materials can move across the cell membrane against a concentration gradient by
Anastasy [175]

Answer:

Molecules which move against the concentration gradient across the cell membrane employ the mechanism of active transportation.

Explanation:

Normally, permitted molecules moves across the cell membrane of the cell by the process of diffusion and osmosis. This is used when molecules move from hypertonic region to hypotonic region (if ions) and hypotonic to hypertonic (if water). This is a passive transportation which do not require the expense of energy from the cell.

In contrast, when molecules move in or out of the cell against their concentration gradient, that is ions moving from hypotonic region to hypertonic region, they implore the expense of energy in form of adenosine triphosphate (ATP), and the involvement of the membrane carrier proteins. This is called active transport.

7 0
3 years ago
What three processes lead to variation among offspring that have the same two parents?
beks73 [17]

Explanation:

Genetic variation in offspring during sexual reproduction is caused by

  • crossing over
  • independent assortment
  • randomized fertilization

Further Explanation:

All the genetic information within the eukaryotic cell is stored within the nucleus as helical DNA. This DNA is tightly wound around histones as chromosomes. To produce daughter cells during cell division, the chromosomes (total number of chromosomes (2n)) are copied before the cell splits into two daughter cells. This process is known as mitosis, and occurs in cell division and growth processes. Two new nuclei are formed, along with identical cells. These are the same as the parent cell and the chromosome number (2n) is maintained.

Conversely in meiosis, the number of chromosomes (2n) is halved through meiotic divisions, producing 4 (n) germ cells (sperm or eggs), each containing half the number of chromosomes as its parent cell.

  • crossing over:  the exchange of segments of chromosome, between non-sister homologous or similar chromatids crossing over happens at chiasmata, the point where non-sister chromosomes are joined.
  • independent assortment in metaphase I of meiosis: chromosomes align independently and genes segregate independently into new combinations ...in humans 2n, n = 23, 8 million combinations of chromosomes possible
  • randomized fertilization: sperm cells fertilize an ovum to form a zygote. This occurs randomly by chance, to result in a complete set of chromosomes 2n, that is a novel combination of half each parent's number of chromosomes

Learn more about mitosis at brainly.com/question/4303192

Learn more about transcription at brainly.com/question/11339456

Learn more about DNA and RNA at brainly.com/question/2416343?source=aid8411316

#LearnWithBrainly

9 0
2 years ago
The two chemical families to which most antipsychotic drugs belong are ____.​
Hatshy [7]

Out of the following given choices;

a.phenothiazines and butyrophenones<span>
b. tricyclics and MAOIs
c. nitrates and glucocorticoids
d. benzodiazepines and antihistamines</span>

The answer is a. butyrophenones work by inhibiting dopamine-mediated neuro-transmitters hence altering the normal thought pattern of its patients. They are more anti-dopamine (and less anti-adrenergic, anti-histaminic and anti-cholinergic) than phenothiazine but work in the same pharmacological way.

5 0
3 years ago
Which of the following is an order of amphibian?
kaheart [24]
The answer is A. Anura
8 0
2 years ago
Find the missing link:
yulyashka [42]

Answer:

biotic

Explanation:

3 0
2 years ago
Read 2 more answers
Other questions:
  • Why are compounds different from single elements?
    7·1 answer
  • What kind of questions would you ask, if you are provided with the following materials: Sugar, stir stick, access to warm or col
    6·1 answer
  • How do viruses reproduce?
    12·2 answers
  • During which process is mRNA converted into a sequence of amino acids for protein production?
    11·1 answer
  • (getting the right answer will result in 99 points) A substance that influences the reaction but does not participate in the rea
    6·2 answers
  • Which scientist thought he proved that plants obtain nutrients from water rather than soil?
    6·2 answers
  • Match the type of protein structure to its correct description.a. Primaryb. secondaryc. tertiaryd. quatenaryHere is the list of
    13·1 answer
  • How would brown bears suddenly increase? How would they affect the ecosystem?
    7·2 answers
  • The absorption mechanism that requires a specific carrier molecule, but no energy, to move digested nutrients across the cell me
    12·1 answer
  • What cell organelle is involved in joining amino acids to form a protein?.
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!