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
kati45 [8]
3 years ago
14

Sara just found out that her sister conceived about seven days ago. She rushes to find a book on pregnancy so that she can learn

more about it. The book says that around the seventh day of pregnancy the cells of the zygote begin to:
Biology
1 answer:
vazorg [7]3 years ago
5 0

Answer:

differentiate and/or the embryo has doubled its size. Aging results in a gradual decline in female fertility.

Explanation:

Hope this was helpful

You might be interested in
(GIVING BRAINLIEST!!!!)
Alika [10]

Answer:

windy, cold, long, constant(doesn't set), warmer

Explanation:

3 0
3 years ago
The adult spinal cord ends between the level l1 and l2 of the vertebral column. True or False
viktelen [127]

this is true...........

6 0
2 years ago
Which of the following would differ if you compared the same reaction taking place with and without an enzyme
SIZIF [17.4K]

Answer:

The correct answer is - option C.

Explanation:

Chemical energy is the energy that every substance or chemical have and its not affected by the presence or absence of the enzyme, while the activation energy is the required energy to initiate for a chemical reaction. If the energy of the chemical reaction is less than the activation energy reaction will not take place.

Presence of a enzyme lowers the amount of the energy for the initiating the reaction which is activation energy and the chemical reaction takes place.

Thus, the correct answer is - option C.

3 0
3 years ago
IF most of the energy we use on earth comes from the sun –how does that energy (light and thermal) end up
____ [38]

Answer:

1: Chemical Energy

2: Kinetic Energy

3: Electrical Energy

4: Mechanical Energy

Explanation:

1: The energy held in food is called <em>chemical energy. </em>It is a form of <u>potential energy</u> held within chemical bonds between atoms.

2: When flowing water is captured and turned into electricity, it is called hydroelectric power or hydropower. There are several types of hydroelectric facilities; they are all powered by the <em>kinetic energy of flowing water</em> <u>as it moves downstream.</u>

3: The power for lights and stuff is <em>Electrical</em><em> </em><em>Energy</em><em>,</em> ofc :]

4: The <u>chemical energy in the food</u> gets changed into the <em>mechanical energy</em> of <u>moving muscles.</u>

<u>Hope</u><u> </u><u>this</u><u> </u><u>helps</u><u>!</u><u>!</u><u> </u><u>:</u><u>D</u>

5 0
2 years ago
Biotic and abiotic a moth immediately
Natasha_Volkova [10]

Answer:

moth is biotic

Explanation:

biotics are living things

7 0
3 years ago
Other questions:
  • Unlike food webs, food chains
    9·1 answer
  • Which has an important role in how species change over time?
    14·1 answer
  • Why are member of this domain called archaea,which comes from the Greek word for "ancient"?
    8·1 answer
  • Which of the following explains why cells differentiate?
    14·2 answers
  • What three things determine the divisions of the ocean zones? REPLY ASAP!
    7·1 answer
  • An organism starts growing out of the parent organism. It may or may not remain attached to the parent organism. What is this ty
    13·2 answers
  • Which is the name of the escape vehicle on the International Space Station?
    8·1 answer
  • HELP PLEASE//40POINTS AND I GIVE BRAINLIEST
    9·2 answers
  • A key should be parallel. An example of parallel choices is _____
    7·1 answer
  • What directs the changes that occur in allele frequency
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!