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
MissTica
3 years ago
10

How did Hershey and Chase know that it was the DNA that had infected the bacterial cells in their experiment?

Biology
1 answer:
miskamm [114]3 years ago
7 0

Answer:

In their experiments, Hershey and Chase showed that when bacteriophages, which are composed of DNA and protein, infect bacteria, their DNA enters the host bacterial cell, but most of their protein does not. Hershey and Chase and subsequent discoveries all served to prove that DNA is the hereditary material.

You might be interested in
Heart rate decreased suddenly and then MAP immediately fell because peripheral blood vessels were extensively vasodilated. The b
steposvetlana [31]

Heart rate decreased suddenly and then MAP immediately fell because peripheral blood vessels were extensively vasodilated.

Explanation:

A VO2 max test is a clinical test done in a lab and is the ‘golden standard’ for measuring the potential and cardio-respiratory endurance of athletes and bikers.

It measures the oxygen carrying capability through a graded step test which determines the average power output. The maximal oxygen uptake along with cardiorespiratory responses is measured.

As per exercise physiology, the heart rate and cardiac output increases with exercise. When the potential is less, the resistance decreases, heart rate and mean arterial pressure also decrease .

8 0
3 years ago
Does nonpolar mean hydrophobic or hydrophilic
Lesechka [4]

no hydrophobic and hydrophilic refer to phospholipids in the cells membrane.  A nonpolar molecule is a molecule which has no separation of charge, so no positive or negative poles are formed. In other words, the electrical charges of nonpolar molecules are evenly distributed across the molecule.

4 0
3 years ago
Describe what corn, dogs, and genes have in common
dangina [55]
Artificial Selection or “ Selective Breeding”. aka the process by which humans use animal breeding and plant breeding to selectively
6 0
2 years ago
A man who is an Olympic weightlifter can expect his son to inherit similar muscle development. True False
lina2011 [118]

Answer:

False

Explanation:

The child can only inherit the looks not the strength of the parent.

5 0
4 years ago
7. Application: Have you ever had a cut before and wondered why it stops bleeding? It is actually a very complex process
dmitriy555 [2]

Answer:

When there is a cut, and platelets are coming, its positive feedback. But when the clot is formed and increased platelets concentration at the site create a negative feedback to stop sending more platelets for clot formation.

3 0
3 years ago
Read 2 more answers
Other questions:
  • What effect does an insertion or deletion have on the protein that is being manufactured?
    15·2 answers
  • During binary fission, each copy of the duplicating chromosome moves to opposite ends of the cell. What does this achieve?
    11·1 answer
  • Which of the following observations helped Darwin shape his concept of descent with modification?
    9·1 answer
  • What’s the only way mutations can be passed from parents to offspring?
    10·1 answer
  • How can a nutritionist or dietitian help an athlete train for a major competition, race, or game?
    9·1 answer
  • When does the cell have to use active transport?
    15·1 answer
  • If water evaporates from the ocean and becomes water vapor what has happened to its energy level?
    7·1 answer
  • What do microbes need to consume in order to grow?
    5·2 answers
  • How does the union of rootstock and scion take place?
    14·1 answer
  • Glucose is a molecule that can move across the cell membrane. If the
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!