Answer:
Option C, ppAa is indicative of white axial flowers.
Explanation:
It is given that Purple color (P) is dominant over white color (p). Thus in order to have a flower of white color , the flower must be homozygous recessive with an allele pair having two recessive alleles.
Similarly, Axial (A) is dominant over terminal (a) flower. Thus, a flower can be axial in two cases -
a) when both the alleles are same i.e AA
or
b) when one allele is A and the other one is a i.e Aa
Considering the above cases, all possible allele combination that will produce white axial flower are as follows -
ppAA, ppAa
Thus, option C is correct
Answer:
C
Explanation:
In grafting, the plant with the root system is called the , and the portion of the plant with the buds is called the .
Answer:
In grafting, the plant with the root system is called the root stock , and the portion of the plant with the buds is called the scion
Explanation:
Grafting is a process of “vegetative mode of propagation “ in which two parts of same or two different species of plants are joined together to make them grow as a single plant. The part of the plant which is kept over and above the other plant is called the “scion” while the part of the other plant kept at the bottom is called a rootstock.
Thus, in grafting, the plant with the root system is kept at the bottom and hence it is called as root stock , and the portion of the plant with the buds is kept over and above the root stock and hence it is called as scion.
Which of the following is true of all minerals?
Made of many different elements
Come from the ground as crystals
Can be liquids, solids, and gases
Made of one or more elements from the periodic table
Answer:
Made of one or more elements from the periodic table
Explanation:
Minerals are natural occurring inorganic solid substance that have a definite crystal structure and definite chemical formula. The crystal structure in minerals are usually well organised. Mineral are made of one or more elements from the periodic table. Example of minerals formed from a single elements are carbon(graphite), gold and silver. Like for the gold which are called native elements rarely combines with other elements. The atoms, molecules and ions that formed the minerals are well structured in a geometric way.They are arranged in particular pattern. Minerals can also be formed from more than one elements example are the silicates minerals.
From the option A not all minerals are made from different elements but most metals are made from combination of different elements.
Not all minerals come from the ground as crystal some crystallize at the surface of the earth.
Minerals are not gaseous and liquid in nature. All minerals are solid in nature.
Minerals are made of one elements or more than one elements from the periodic table.
The picture above illustrate how mineral looks like.
Answer: Made of one or more elements from the periodic table
Explanation:
How do you get a scar from a pimple?
Tiny structures in the cell that carry out the cell's activities are
mitochondria
nucleus
organelles
cyotplasm
____________ have helped us learn about animals that are now extinct.
Observations
Written records
Fossils
Rocks
how do scientist develop scientific explanations about subjects that are impossible to study through controlled experiments?