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Nadusha1986 [10]
2 years ago
11

6. In corn plants, normal height (H) is dominant over short height (h). Complete a

Biology
1 answer:
shutvik [7]2 years ago
5 0

Answer:

See the answer below

Explanation:

Normal height - H

Short height - h

Heterozygous - Hh

A cross involving heterozygotes would be Hh x Hh

         Hh    x    Hh

      HH   Hh   Hh   hh

Since H is dominant over h;

HH and Hh would produce normal height phenotypes.

hh will produce a short height phenotype.

Thus;

<em>Probability of normal height phenotype resulting from the cross = 3/4 or 75%</em>

<em>Probability of short height phenotype resulting from the cross = 1/4 or 25%</em>

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forsale [732]

Answer:

13 - D

14 - D

15 - C

Explanation:

for 13

A molecule is two or more atoms chemically combined

An example would be carbon dioxide which contains the two atoms, carbon and oxygen

Reasons its not the other answers:

Electrons, Protons and Neutrons are all parts of an atom therefore they cannot be classified as molecules.

For 14

Remember an atom is the most basic unit out of the units we are talking about

The answer would be D

Reasons its not the other answers

Water is considered to be a molecules as it contains two or more atoms (hydrogen and oxygen)

Air is considered to be a mixture as it contains oxygen and nitrogen which can be separated

Salt is considered to be a compound because salt is made up of two atoms (chloride and sodium) in which they are held up by an ionic bond

For 15

The answer would be C (III only)

Carbon hydrogen and oxygen all happen to by atoms

Reasons its not other answer choices:

Like stated previously water is considered to be a molecule therefore we can eliminate the other answer choices

Other notes:

Compounds and molecules both are combinations of two or more atoms however they are not to be mixed together

the main difference between compounds and molecules is how they are held together

Compounds are held together by ionic bonds while molecules are help up by covalent bonds

compounds and molecules  are made up of atoms that cannot be separated

Mixtures - A mix of two or more substances that can be separated

3 0
3 years ago
Lincoln says the "insurgents" wanted to fight. Why?
Artist 52 [7]
President Lincoln said the "insurgents" wanted to fight because they wanted to extend and perpetuate slavery. At the end of the Civil War, the "insurgents" did not get their wish. The correct answer is B.
4 0
2 years ago
Blood vessels traveling within the ________ space deliver oxygen and nutrients to the spinal cord
garri49 [273]

Answer: Subarachnoid

Explanation:

The  space in the meninges below the arachnoid membrane and above the pia mater  contains the cerebrospinal fluid. Cerebrospinal fluid is produced by choriod plexus( a cluster of capillaries) from the blood. Blood vessels traveling within the subarachnoid space deliver oxygen and nutrients  to the spinal cord.  

6 0
3 years ago
Read 2 more answers
According to Newton’s third law of motion, which of the following best describes the forces of the tennis racket and the ball?
-BARSIC- [3]

Answer:

Newton's third law of motion is For every action, there is an equal and opposite reaction.

Explanation:

So if you throw a tennis ball and then hit it with a tennis racquet then the action would be the tennis ball and the equal and opposite reaction woul be the tennis ball bouncing off of the tennis racquet.

5 0
3 years ago
Trace elements are sometimes referred to as
cestrela7 [59]

trace elements are sometimes referred to as micronutrients

4 0
2 years ago
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