Answer:
Gases that lead to air pollution include carbon, nitrogen and sulfur oxides. Explanation:
To be an agronomist, you should have an interest in science and a bachelor's degree. In college take agriculture, biology, chemistry, mathematics, physics, and statistics courses, as well as broad based general education courses, including English and speech. Hope this helps your question.
Answer:
Genotype ratio: 1, 1:1, 1:2:1
Phenotype ratio: 1, 3:1
Explanation:
Single gene pair cross is also known as monohybrid cross. This means that only one gene usually with two alleles is observed and it express one trait.
For example, if we name the gene for a certain trait with A, the possible genotypes are AA (dominant homozygous), aa (recessive homozygous) and Aa (heterozygous). Possible crosses are:
P: AA x AA
F1 : all of them are AA
The same is with aa x aa (all of the offspring are with aa genotype)
P: AA x Aa
F1: AA Aa AA Aa (genotype ratio 1:1) (phenotype ratio 3:1)
The same genotype ratio is in aa x Aa (offspring will have aa Aa aa Aa-(genotype ratio 1:1) (phenotype ratio 1:1)
P: Aa x Aa
F1: AA Aa Aa aa (genotype ratio 1:2:1) (phenotype ratio 3:1)
P: AA x aa
F1: Aa Aa Aa Aa (1)
If I'm not mistaken, it leaves through the osculum which is a cavity located on the upper part of a sponge.
Sponges feed through a process called filtration, which means that they filter the water in search of nutrients. And after they collect everything they need from the water, they need to let it out somehow; through the osculum.
Hope it helped,
BioTeacher101
Answer:
<h2>
Interphase : divided into three phases, i) G1 phase, ii) S phase and iii) G2 phase.</h2><h2>Mitotic phase: i) prophase, ii) metaphase, iii) anaphase and v) telophase.</h2>
Explanation:
interphase : divided into three phases, i) G1 phase, ii) S phase and iii) G2 phase.
G1 phase: cell decide whether to divide or not and prepare itself for replication of DNA and arrange replication machinery. otherwise it goes to G 0 phase.
S phase: DNA replication occurs in this phase.
G2 phase: cell duplicates all their contents and prepares for mitotic phase.
Mitotic phase:
i) prophase- chromosome condensation occurs,
ii) metaphase - chromosome arranges in meta-plate and spindle binds to each chromosomes at centromere.
iii) anaphase- chromosome separates from sister chromatids.
iv) telophase- chromosome moves to each ends and formation of nuclear membrane begins.
cytokinesis: there is division of cytoplasm and forming two daughter cells.
