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
KATRIN_1 [288]
2 years ago
14

What is the function of heart valves?

Biology
2 answers:
tatyana61 [14]2 years ago
6 0

Answer:

C.

Explanation:

yuradex [85]2 years ago
3 0
The valves prevent the backward flow of blood.
You might be interested in
What is the similarity between trenches and subduction zones?
guapka [62]
I'll give you an example.

If two tectonic plates clide, more or less in a head-on collision, they form a convergent plate boundary.
Usually, one of the converging plates will move beneath the other, which is known as
subduction.
Deep trenches are often formed where tectonic plates are being subducted, and earthquakes are common.
6 0
3 years ago
What is the other name for the constellation seen here ?
swat32

Answer:

Another name of constellation is

group of star.

5 0
2 years ago
Which would most likely happen if a cell undergoes mitosis, but not cytokinesis?
steposvetlana [31]

Answer:

A

Explanation:

Logically, the cell would have two nuclei because karyokinesis (the division of the nucleus) occurs before cytokinesis (division of the cytoplasm).

6 0
3 years ago
Phenylketonuria (pku) is a disease that results from a recessive gene. Two normal parents produce a child with pku.(i) what is t
larisa86 [58]

1.What is the probability that a sperm from the father will contain the PKU allele?

Probability = ½

2.What is the probability that an egg from the mother will contain the PKU allele?

Probability = ½

3.What is the probability that their next child will have PKU?

Probability = ¼ (because each parent has ½ chance  ½ X ½ = ¼)

4.What is the probability that their next child will be heterozygous for the PKU gene?

Probability = ½ (because each parent has ½ chance of donating the ‘P’ allele and ½ chance of donating the ‘p’ allele  (½ x ½) + (½ x ½) = ½

4 0
3 years ago
Which is a difference between animal populations in primary succession and secondary succession?
Agata [3.3K]
I believe it is A. Primary succession starts with plants and rocks.
8 0
3 years ago
Other questions:
  • Which is an internal stimulus?<br><br> a. cold<br><br> b. noise<br><br> c. pain<br><br> d. daylight
    8·1 answer
  • Which of these factors did NOT influence the Texas Bill of Rights?
    14·2 answers
  • Historia del aparato de golgi (descubrimiento)
    7·1 answer
  • What type of fertilization requires a great excess of egg and sperm gametes because most are wasted?
    9·2 answers
  • Explain what happens when sugar is fed to yeast cells?
    6·2 answers
  • What happens if cells were in mitosis more than they were interphase
    11·1 answer
  • 11. A fossil for an extinct organism is found in layer 2. A fossil for another extinct organism,
    14·1 answer
  • Given that the rate of DNA synthesis of a plasmid in yeast is 50 nucleotides per second and the circular plasmid replicates in 2
    13·1 answer
  • How is the growth of a living thing different from nonliving.
    6·1 answer
  • Cognitively, people with borderline personality disorder are ________ negative emotional stimuli in the environment. less aware
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!