I'm trying to find the same thing out. Somebody please help us!
The answer to the question given is letter D. The cones are diploid.
The true reproduction in a pine tree is its cones which are diploid. <span> Conifers has both male and female cones. Once the ovule is fertilized, a </span>diploid<span> sporophyte is produced, which gives rise to the </span><span>embryo.</span>
Answer:
DNA synthesis occurs in the S phase. The DNA in the nucleus is replicated. Each chromosomes multiplies into 2 identical chromosomes known as sister chromatids. Both chromatids contain the same copy of the DNA molecule. Both chromatids are joined at the centromeres
Explanation:
it's it from my textbook
Explain why Gram-negative bacteria are more resistant to biocides than Gram-positive bacteria. Be specific and descriptive in your response. A description of the differences between Gram-negative and Gram-positive bacteria should be included, along with an explanation of why any of those differences would have anything to do with the actions of biocides.
Explanation:
Gram positive and gram negative bacteria differ in their cell walls. gram positive bacteria have a thick peptidoglycan layer and an outer membrane protect the gram negative against many antibiotics that could otherwise damage the peptidoglycan layer or inner cell.