D. They make their own food using energy from the sun. Trees use a process called photosynthesis to convert light energy from the sun, carbon dioxide, and water into glucose (the food) and oxygen.
When you expect something, but get something else, you have a reason big enough to ask new questions and start a new investigation.
Example:
If you create a tree by artificially breeding different species, and then plant it with certain expectations in width, size, bark width, leaf shape, etc. and things go differently, a new investigation might begin with a whole new load of questions.
Answer:
Hope it helped,
Happy homewok/ study/ exam!
Answer:
The correct answer is -
1) 1st stage
2) 1st stage
3) 1st stage
4) 1st stage
5) 2nd stage
6) 2nd stage
7) 2nd stage
8) 3rd stage.
Explanation:
Labor has three different stages 1st (dilation), 2nd (expulsion), or 3rd (placental).
Stage 1st: It is the stage that starts with dilation of the opening of the cervix to 10 cm and contraction of the uterus.
Stage 2: in this stage fetus head moves to the cervix and gets into the birth canal of the mother.
stage 3. The placenta and umbilical cord expel from the mother and this is cut after the delivery.
The Lock-and-key mechanism was first proposed by Emil Fischer which described as the enzymatic reactions whereby an enzyme with a single substrate binds temporarily to form a substrate complex.
The lock-and-key mechanism is usually associated with the complementary shapes of an enzyme with a single substrate, wherein the lock that is being referred to is the enzyme and the substrate is the key. One right sized substrate (key) fits into the active site (key hole) of the enzyme (lock).
The active site which is mentioned above is structurally complementary to the substrate. This is the temporary binding site on the enzymes. Just like a lock and key, the enzyme as the lock and the substrate as the key is said to fit together.
The cell membrane, and probably the cytoplasme
